The paper briefly outlines the problems of energy saving in construction and the effectiveness of using cellular concrete in layered wall structures. It presents a thesis on the influence of the adhesive strength of the “aggregate particle – cement stone” contact on the strength and permeability of foam concrete. The relationship between the structural stability of mixtures at the phase transition stage and the magnitude of the adhesive bond between the contacting raw materials is substantiated. Based on the results of fundamental and applied research that reflect the dependence of water’s adhesive properties on the thickness of layers that are physically bonded to the surface of solid materials, a hypothesis was formulated: “The measure of water’s capillary adhesion in foam concrete mixtures depends on the molecular weight of the raw materials on which it is located”. The hypothesis was experimentally verified and found to be accurate.

L.V. MORGUN¹, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it. );
V.N. MORGUN², Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Don State Technical University (1, Gagarin Square, Rostov-on-Don, 344001, Russian Federation)
² Southern Federal University (105/42, Bolshaya Sadovaya Street, Rostov-on-Don, 344006, Russian Federation)

1. Gornov A.A. Industrial housing construction on the basis of light concrete. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2021. No. 5, pp. 35–40. (In Russian). EDN: ­XVUNCZ.
https://doi.org/10.31659/0044-4472-2021-5-35-40
2. Demkin N.I., Yuzhakov S.N., Batyrshin A.A. Experience in modernizing large-panel residential buildings with an external single-layer aerated concrete wall. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2015. No. 5, pp. 46–51. (In Russian). EDN: ­TTYIAT
3. Loganina V.I., Frolov M.V., Ryabov M.A. Thermal insulation lime dry building mixes for finishing walls made of aerated concrete. Vestik MGSU. 2016. No. 5, pp. 82–92. EDN: ­VWZELL
4. Fiskind E.S., Sorokina E.L., Sorokin Ya.N., Kustikova Yu.O. Low-rise construction of houses made of aerated concrete in vicinities of Moscow (Podmoskovie). Zhilishchnoe Stroitel’stvo [Housing Construction]. 2019. No. 10, pp. 43–48. (In Russian). EDN: ­MNOCAC. https://doi.org/10.31659/0044-4472-2019-10-43-48
5. Alyabyeva D.A. Reinforcement of large panels made of autoclaved aerated concrete. Stroitel’stvo Unikal’nykh Zdaniy i Sooruzheniy. 2015. No. 8 (35), pp. 24–35. (In Russian). EDN: ­UZMYUN
6. Vatin N.I., Gorshkov A.S., Kornienko S.V., Pestrya-kov I.I. Consumer properties of wall products made of autoclaved aerated concrete. Stroitel’stvo Unikal’nykh Zdaniy i Sooruzheniy. 2016. No. 1 (40), pp. 78–101. (In Russian). EDN: ­VLNKUJ
7. Vatin N.I., Gorshkov A.S., et al. Consumer properties of wall products made of autoclaved aerated concrete. Stroitel’stvo Unikal’nykh Zdaniy i Sooruzheniy. 2016. No. 1 (40), pp. 78–101. EDN: ­VLNKUJ
8. Boggelen W., Völker K. New opportunities for autoclaved aerated concrete. Betonwerk und Fertigteil-Technik. 2004. Vol. 70, pp. 60–64.
9. Krutilin A.B., Rykhlenok Yu.A., Leshkevich V.V. Thermophysical characteristics of low-density autoclaved aerated concrete and their influence on the durability of external walls of buildings. Magazin of Civil Engineering. 2015. No. 2, pp. 46–118. (In Russian). EDN: ­TMJQPD. https://doi.org/10.5862/MCE.54.5
10. Morgun L.V. Energy efficiency of aerated concrete under operating conditions. Izvestiya of Higher Educational Institutions. Construction. 2024. No. 10, pp. 76–86. (In Russian). EDN: ­LQBKYL.
https://doi.org/10.32683/0536-1052-2024-790-10-76-86
11. Yurov V.M., Guchenko S.A., Laurinas V.Ch. Surface Layer Thickness, Surface Energy, and Atomic Volume of an Element. Fiziko-Khimicheskiye Aspekty Izucheniya Klasterov, Nanostruktur i Nanomaterialov. 2018. No. 10, pp. 691–699. (In Russian). EDN: ­YUNXRJ. https://doi.org/10.26456/pcascnn/2018.10.691
12. Shmitko E.I. Control of Concrete Hardening and Structure Formation Processes. Diss... Doctor of Sciences (Engineering). Voronezh. 1994. 525 p. (In Russian).
13. Morgun L.V., Gebru B.K., Nagorsky V.V. Influence of fillers on the technological properties of foam concrete mixtures. Izvestiya of Higher Educational Institutions. Construction. 2023. No. 12 (780), pp. 18–24. (In Russian). EDN: ­ICVVYI. https://doi.org/10.32683/0536-1052-2023-780-12-18-24
14. Patent for utility model RU 72764 U1, 27.04.2008. Ustroystvo opredeleniya sily adgezii zhidkosti i tverdogo tela [Device for determining the adhesion force of a liquid and a solid]. Vanchikov V.Ts. Application No. 2006124214/22 dated 05.07.2006. (In Russian). EDN: ­PUDMBR
15. Patent for invention RU 2316750 C1, 10.02.2008. Sposob opredeleniya plasticheskoy prochnosti penobetonnoy smesi [Method for determining the plastic strength of a foam concrete mixture]. Morgun V.N. Application No. 2006115273/28 dated 03.05.2006. (In Russian). EDN: ­LXEQNM
16. Morgun L.V., Nagorskiy V.V., Morgun V.N. The influence of the energy potential of fiber on the structure and properties of foam concrete manufactured using single-stage technology. Stroitel’nye Materialy [Construction Materials]. 2025. No. 5, pp. 68–72. (In Russian). EDN: ­MDWLUE. https://doi.org/10.31659/0585-430X-2025 -835-5-68-72

Construction of high quality safe highways is an integral part of transportation infrastructure development in the Russian Federation. In order to ensure the durability of the roadbed, effective soil reinforcement is required during the construction of roads and in the course of their operation. The injected soil reinforcement method has proved to be one of the most effective. The essence of the method is that the reinforcing solution is injected into the zones of the base, sets and creates a strong structure in the porous medium. The study of the filtration process in the porous medium, i.e. the movement of the reinforcing agent and the formation of sludge, is of great practical importance. The suspension filling the porous medium contains particles of different sizes, namely small, medium and large particles. The mathematical model is based on the size mechanism of particle entrapment: particles larger than the pore size are trapped, while smaller ones pass through. The asymptotic solution to the problem near the concentration front is based on the decomposition of the solutions of precipitated and suspended particles into power series. The problem has no exact analytical solution, so a numerical solution by the finite difference method is proposed. To find asymptotic solutions of suspended and precipitated particles near the concentration front, the expansion of functions in power series over small distance to the front was used. Graphs of the concentrations of precipitated particles of each type and their asymptotic solutions were obtained.

G.L. SAFINA, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

National Research Moscow State University of Civil Engineering Branch in Mytishchi (50, Olympic Avenu, Mytishchi, 141060, Russian Federation)

1. Ahmed S., Krishna Rao K.V., Vedagiri P., Kakade V. Impact analysis of laterally distributed truck wheel loads on pavement performance of multilane highway using strip-based approach. Innovative Infrastructure Solutions. 2025. Vol. 10, 152. EDN: ­TUXIWB. http://doi.org/10.1007/s41062-025-01924-z
2. Charhi O.B., Baba K., Latifa O. Assessing the effects of freeze-thaw cycles and traffic load on pavement resilience. Civil Engineering Journal. 2025. Vol. 11. No. 4, pp. 1694–1711. http://doi.org/10.28991/CEJ-2025-011-04-024
3. Al-Taher M.G., Sawan A.M., Solyman M.E.S.A., Attia M.I.E.S., Ibrahim M.F. Evaluating the durability of asphalt mixtures for flexible pavement using different techniques: a review. International Journal of Pavement Research and Technology. 2024. EDN: ­TTNNIB. http://doi.org/10.1007/s42947-024-00469-1
4. Дмитриева Т.В., Маркова И.Ю., Строкова В.В., Безродных А.А., Куцына Н.П. Эффективность стабилизаторов различного состава при укреплении грунтов минеральным вяжущим // Строи-тельные материалы и изделия. 2020. Т. 3. № 1. C. 30–38. EDN: ­CACTPF. http://doi.org/10.34031/2618-7183-2020-3-1-30-38
4. Dmitrieva T.V., Markova I.Yu., Strokova V.V., Bezrodnykh A.A., Kutsyna N.P. Efficiency of stabilizers of various compositions in soil strengthening with mineral binders. Stroitel’nyye Materialy i Izdeliya. 2020. Vol. 3. No. 1, pp. 30–38. (In Russian). EDN: ­CACTPF. http://doi.org/10.34031/2618-7183-2020-3-1-30-38
5. Polyntsev E.S., Kvitko A.V. Using foam polyurethane sealers for strengthening of soils of a road bed of transport constructions. IOP Conference Series Materials Science and Engineering. 2020. Vol. 832. 012029. EDN: ­VRUNAK.
http://doi.org/10.1088/1757-899X/832/1/012029
6. Krayushkina K., Dubyk O., Talavira T., Karpenko A. Use of phosphogypsum for construction and repair of motor roads. IOP Conference Series Earth and Environmental Science. 2024. Vol. 1376. 012039. EDN: ­NXGYHX.
http://doi.org/10.1088/1755-1315/1376/1/012039
7. Ковалев Я.Н., Яглов В.Н., Чистова Т.А., Гиринский В.В. Применение фосфогипса в дорожном строительстве // Наука и техника. 2021. Т. 20. № 6. С. 493–498. EDN: ­PXIZFG. http://doi.org/10.21122/2227-1031-2021-20-6-493-498
7. Kovalev Ya.N., Yaglov V.N., Chistova T.A., Girinsky V.V. Application of phosphogypsum in road construction. Nauka i Tekhnika. 2021. Vol. 20. No. 6, pp. 493–498. (In Russian). EDN: ­PXIZFG. http://doi.org/10.21122/2227-1031-2021-20-6-493-498
8. Калач Ф.Н. Оценка эффективности использования технологии инъекционного укрепления слабых грунтов в основании фундаментов мелкого заложения саморасширяющимися растворами // Construction and Geotechnics. 2020. Т. 11. № 2. С. 62–77. EDN: ­QIQQOW. http://doi.org/10.15593/2224-9826/2020.2.06
8. Kalach F.N. Performance evaluation of using injection reinforcement technology with self-expanding grout of soft soils at the sub-base of shallow foundations. Construction and Geotechnics. 2020. Vol. 11. No. 2, pp. 62–77. (In Russian). http://doi.org/10.15593/2224-9826/2020.2.06
9. Safina G. Filtration problem with nonlinear filtration and concentration functions. International Journal for Computational Civil and Structural Engineering. 2022. Vol. 18. No. 1, pp. 129–140. EDN: ­WVQQRV.
http://doi.org/10.22337/2587-9618-2022-18-1-129-140
10. Safina G.L. Calculation of retention profiles in porous medium. Lecture Notes in Civil Engineering. 2021. Vol. 170, pp. 21–28. EDN: ­AZEYPD. http://doi.org/10.1007/978-3-030-79983-0_3
11. Kuzmina L.I., Osipov Y.V., Astachov M.D. Analysis of the filtration problem by bitwise search method. International Journal for Computational Civil and Structural Engineering. 2022. Vol. 18. No. 3, pp. 86–94. EDN: ­LPKZFC.
http://doi.org/10.22337/2587-9618-2022-18-3-86-94
12. Kuzmina L.I., Osipov Y.V., Astachov M.D. Bidisperse fltration problem with non monotonic retention profiles. Annali di Matematica Pura ed Applicata (1923-). 2022. Vol. 201, pp. 2943–2964. EDN: ­RYYQOK. http://doi.org/10.1007/s10231-022-01227-5
13. Kuzmina L.I., Osipov Y.V., Gorbunova T.N. Asymp-totics for filtration of polydisperse suspension with small impurities. Applied Mathematics and Mechanics. 2021. Vol. 42. No. 1, pp. 109–126. EDN: ­CCVZVS. http://doi.org/10.1007/s10483-021-2690-6

One of the priority areas of research in the field of energy-efficient heat supply of premises is the search for alternative solutions for the efficient generation of thermal energy. The priority of this area is growing every year, although there are very few actually applicable system solutions developed. The most universal solution among devices with alternative heat energy generation is an air source heat pump (ASHP). To improve the efficiency of heat pump and heat exchange systems in the climatic conditions of the continental climate, domestic scientists have developed technical and organizational-technological solutions that have received positive results in the context of practical implementation at real construction sites. Nevertheless, for the further development of devices today there are opportunities for rational modernization of classical solutions for heat supply of buildings. One of the unsolved problems is the lack of physical and mathematical models of non-stationary heat transfer processes in the internal circuit of the ASHP, complicated by the phenomena of phase transformations during boiling and condensation of the refrigerant inside the system, and desublimation of moisture on the outer surface of the heat exchanger fins. Existing thermodynamic calculation methods offer only recommendations for the conditions of application of heat pump systems based on laboratory studies and tables. The situation can change dramatically with the availability of adequate physical and mathematical models of processes that allow analyzing the state of the working fluid in the ASHP circuit under conditions of pronounced non-stationarity of hydrodynamic and heat exchange processes.

S.V. FEDOSOV¹, Doctor of Sciences (Engineering), Academician of the RAACS (This email address is being protected from spambots. You need JavaScript enabled to view it.);
V.N. FEDOSEEV², Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
V.A. VORONOV², Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ National Research Moscow State University of Civil Engineering, (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)
² Ivanovo State Polytechnic University (21, Sheremetevsky Avenue, Ivanovo, 153000, Russian Federation)

1. Prakash K.B., Almeshaal M., Pasupathi M.K., at all. Hybrid PV/T heat pump system with PCM for combined heating, cooling and power provision in buildings. Buildings. 2023. Iss. 13 (5). 1133. EDN: ­TTJHDL. https://doi.org/10.3390/buildings13051133
2. Baomin Dai, Chen Liu, Shengchun Liu, Dabiao Wang, Qilong Wang, Tonghua Zou, Xuan Zhou. Life cycle techno-enviro-economic assessment of dual-temperature evaporation transcritical CO₂ high-temperature heat pump systems for industrial waste heat recovery. Applied Thermal Engineering. 2023. Vol. 219. 119570. EDN: ­DOATNZ. https://doi.org/10.1016/j.applthermaleng.2022.119570
3. Jordan C., Scott B., Travis L. Application of a novel heat pump model for estimating economic viability and barriers of heat pumps in dairy applications in the United States. Applied Energy. 2022. Vol. 310. 118499 EDN: ­QDHQVZ.
https://doi.org/10.1016/j.apenergy.2021.118499
4. Hou G., Taherian H., Song Ying, Jiang Wei, Chen Diyi. A systematic review on optimal analysis of horizontal heat exchangers in ground source heat pump systems. Renewable and Sustainable Energy Reviews. 2022. Vol. 154. 111830. EDN: ­XMGKYK. https://doi.org/10.1016/j.rser.2021.111830
5. Koşan M.б, Aktaş Mustafa. Experimental investigation of a novel thermal energy storage unit in the heat pump system. Journal of Cleaner Production. 2021. Vol. 311. 127607. https://doi.org/10.1016/j.jclepro.2021.127607
6. Gozmen S., Bengi, Dilsel Elif, Güven Onur. A comparative study on ground source heat pump systems in Mersin. European Mechanical Science. 2023. No. 7, pp. 146–151. https://doi.org/10.26701/ems.1271520
7. Lämmle Manuel, Metz Jakob, Kropp Michael, Wapler Jeannette, Oltersdorf Thore, Günther Danny, Herkel Sebastian, Bongs Constanze. Heat pump systems in existing multifamily buildings: a meta-analysis of field measurement data focusing on the relationship of temperature and performance of heat pump systems. Energy Technology. 2023. Vol. 11. Iss. 12. 2300379. https://doi.org/10.1002/ente.202300379
8. Keri-Marie Adamson, Timothy Gordon Walmsley, James K. Carson, at all. High-temperature and transcritical heat pump cycles and advancements: A review. Renewable and Sustainable Energy Reviews. 2022. Vol. 167. 112798.
https://doi.org/10.1016/j.rser.2022.112798
9. Aguilera J.J., Meesenburg Wiebke, Ommen Torben, Brix Markussen Wiebke, Poulsen Jonas, Zühlsdorf Benjamin, Elmegaard Brian. A review of common faults in large-scale heat pumps. Renewable and Sustainable Energy Reviews. Vol. 168. 2022. EDN: ­RFEOQW. 112826. https://doi.org/10.1016/j.rser.2022.112826
10. Fedosov S., Fedoseev V., Zayceva I., Voronov V. Refrigerant overheating in the compression circuit air heat pump. IOP Conference Series: Earth and Environmental Science. 2023. Vol. 1171. 012032. EDN: ­XPKYEQ.
https://doi.org/10.1088/1755-1315/1171/1/012032
11. Dong Junqi, Wang Yibiao, Shiwei Jia at all. Experimental study of R744 heat pump system for electric vehicle application. Applied Thermal Engineering. 2021. Vol. 183. P. 1. 116191. https://doi.org/10.1016/j.applthermaleng.2020.116191
12. Кудинов И.В., Еремин А.В., Трубицын К.В., Стефанюк Е.В. Модели термомеханики с конечной и бесконечной скоростью распространения теплоты: Монография. М.: ООО «Проспект», 2020. 224 с. EDN: ­TLJVUF.
https://doi.org/10.31085/9785392292516-2019-224
12. Kudinov I.V., Eremin A.V., Trubitsyn K.V., Stefanyuk E.V. Modeli termomekhaniki s konechnoy i beskonechnoy skorost’yu rasprostraneniya teploty. Monografiya [Thermomechanics models with finite and infinite heat propagation velocity. Monograph]. Moscow: OOO Prospect. 2020. 224 p. EDN: ­TLJVUF. https://doi.org/10.31085/9785392292516-2019-224
13. Fedosov S., Fedoseev V., Zayceva I., Voronov V. Refrigerant overheating in the compression circuit air heat pump. IOP Conference Series: Earth and Environmental Science. 2023. Vol. 1171. No. 1. 012032. EDN: ­XPKYEQ.
https://doi.org/10.1088/1755-1315/1171/1/012032
14. Lapidus A., Fedoseev V., Ostryakova J., Voronov V., Sokolov A. Organizational and technological aspects of the design and construction of heat supply systems based on heat pumps in low-rise construction. E3S Web of Conferences. 24th International Scientific Conference on Construction the Formation of Living Environment. FORM 2021. EDP Sciences, 2021. EDN: ­DQXBUV. https://doi.org/10.1051/e3sconf/202126302025
15. Федосов С.В., Федосеев В.Н., Воронов В.А. Численно-аналитический метод сведения задач нестационарной теплопроводности с граничными условиями III рода к задачам с условиями I рода // Строительные материалы. 2022. № 12. С. 59–62. EDN: ­FMYVSG. https://doi.org/10.31659/0585-430X-2022-809-12-59-62
15. Fedosov S.V., Fedoseev V.N., Voronov V.A. Numerical-analytical method for reducing problems of non-stationary heat conduction with boundary conditions of the III kind to problems with conditions of the I kind. Stroitel’nye Materialy [Construction Materials]. 2022. No. 12, pp. 59–62. (In Russian). EDN: ­FMYVSG. https://doi.org/10.31659/0585-430X-2022-809-12-59-62

Taking into account the increase in the pace of construction and repair works in the road construction industry caused by solving a set of problems of strategic development of the road network, the application of resource-saving technologies is a pressing task. Among various types of alternative raw materials, secondary and man-made resources in the form of asphalt concrete granulate and fly ash, which are formed in large quantities and have the potential for reuse in combination with various types of binders, are of particular interest. In the framework of the presented study, the physicomechanical properties of organomineral composites – asphalt granule concrete based on asphalt granulate using various types of fly ash as structure formation regulators in combination with various binder systems were studied. It was found that with a joint use of secondary and man-made raw materials, asphalt granule concrete has the following properties: R₂₂ (7 days) – 0.48–0.61 MPa; R₄₀ (7 days) – 0.41–0.58 MPa; R₂₂ (28 days) – 1.23–1.47 MPa; water resistance – 0.73–0.85. The design and calculation of Category III road structures for base layer replacement and Category IV road structures for pavement replacement resulted in a reduction in overall structural thickness of 9 and 3 cm, respectively, along with safety factors of K_pr=1.8 and K_pr=1.41, respectively. The cost-effectiveness of the developed solutions is 14.74% for Category III structures and 38.17% for Category IV structures.

I.Yu. MARKOVA, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
V.V. STROKOVA, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
M.A. STEPANENKO, Senior Lecturer (This email address is being protected from spambots. You need JavaScript enabled to view it.),
S.A. GNEZDILOVA, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
L.N. BOTSMAN, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Belgorod State Technological University named after V.G. Shukhov (308012, Belgorod, Kostyukov Street, 46)

1. Dydyshko P.I., Kuzakhmetova E.K. Design of high-speed combined highways and railways. Mir Transporta. 2017. Vol. 15. No. 3 (70), pp. 152–159. (In Russian). EDN: ­ZTPSFR
2. Dosaliev E.A. Modern design and technological solutions for road pavement foundations Promyshlennoye i Grazhdanskoye Stroitel’stvo. 2009. No. 1, pp. 53–54. (In Russian). EDN: ­JWBMHN
3. Kovalev Ya.N. On the choice of a repair strategy for asphalt concrete road surfaces (theoretical aspect) Vestnik of the Belarusian National Technical University. 2002. No. 2, pp. 22–23. (In Russian). EDN: ­CSROXI. https://doi.org/10.21122/2227-1031-2002-0-2-22-23
4. Gao J., Yuquan Y., Huang J. Effect of hot mixing duration on blending, performance, and environmental impact of central plant recycled asphalt mixture. Buildings. 2022. Vol. 12, pp. 1057. EDN: ­ULYVEY. https://doi.org/10.3390/buildings12071057
5. Hasheminezhad A., Ceylan H., Kim S. Sustainability promotion through asphalt pavements: A review of existing tools and innovations. Sustainable Materials and technologies. 2024. Vol. 42. 01162. EDN: ­IFCOCR. https://doi.org/10.1016/j.susmat.2024.e01162
6. Tarsi G., Tataranni P., Sangiorgi C. The challenges of using reclaimed asphalt pavement for new asphalt mixtures: a review. Materials (Basel). 2020. Vol. 13 (18). 4052. EDN: ­AWVOQD. https://doi.org/10.3390/ma13184052
7. Hashim T.M., Nasr M.S., Jebur Y.M., Kadhim A., Alkhafaji Z., Baig M.G., Adekunle S.K., Al-Osta M.A., Ahmad S., Yaseen Z.M. Evaluating rutting resistance of rejuvenated recycled hot-mix asphalt mixtures using different types of recycling agents. Materials (Basel). 2022. Vol. 15 (24). 8769. EDN: ­MULKDP. https://doi.org/10.3390/ma15248769
8. Invention Patent RU 2297487 C2, 20.04.2007. Kholodnaya pererabotka materiala asfal’tobetonnogo dorozhnogo pokrytiya dlya povtornogo ispol’zovaniya na meste [Cold recycling of asphalt concrete road pavement material for on-site reuse]. Thomas T., Kadrmas A. Application No. 2003135618/03 dated 13.06.2002. (In Russian).
9. Invention Patent RU 2734283 C1, 14.10.2020. Kholodnaya pererabotka na meste asfal’tobetonnogo materiala s ispol’zovaniyem protochnogo nagrevatel’nogo ustroystva dlya asfal’to-tsementnoy smesi [In-situ cold recycling of asphalt concrete material using a flow-through heating device for asphalt-cement mixture]. Christian R. Application No. 2019119698 dated 12.27.2017. (In Russian).
10. Shubov L.Ya., Skobelev K.D., Doronkina I.G., Dubrovin K.E. On the use of ash and slag waste from thermal power plants in road construction. Ekologiya Promyshlennogo Proizvodstva. 2020. No. 1 (109), pp. 6–9. (In Russian). EDN: ­XEIYXA
11. Podgorodetsky G.S., Gorbunov V.B., Agapov E.A., Erokhov T.V., Kozlova O.N. Problems and prospects of ash and slag waste utilization from thermal power plants. Part 1. Izvestiya of Higher Educational Institutions. Ferrous Metallurgy. 2018. Vol. 61. No. 6, pp.  439–446. (In Russian). EDN: ­XSKGNF. https://doi.org/10.17073/0368-0797-2018-6-439-446
12. Markov A.Yu., Bezrodnykh A.A., Markova I.Yu., et al. Prediction of portland cement strength in the presence of fuel ashes. Vestnik of the Belgorod State Technological University named after V.G. Shukhov. 2020. No. 3, pp. 26–33. (In Russian). EDN: ­HPFLJZ. https://doi.org/10.34031/2071-7318-2020-5-3-26-33
13. Markova I.Yu., Strokova V.V., Stepanenko M.A., Sivalneva M.N. Processes of cement stone structure formation in presence of additives made of TPP waste of various compositions analysis. Stroitel’nye Materialy [Construction Materials]. 2025. No. 9, pp. 68–78. (In Russian). EDN: ­TVUHBQ. https://doi.org/10.31659/0585-430X-2025-839-9-68-78

The purpose of the work was to evaluate the thermal (energy) and economic efficiency of using thermal insulation paints as a substitute for traditional thermal insulation materials. A comparison of the paint parameters declared by the manufacturers (thermal conductivity coefficient) with the maximum possible parameters (from the standpoint of the theory of thermal conductivity) makes it possible to give an objective assessment of the scope and energy efficiency of using heat-protective paints in the construction industry and the energy sector. The data of theoretical calculations of the thermal conductivity coefficient of paints using the Schwerdtfeiger formula are presented, which are in good agreement with experimental data obtained by other authors. It is shown that the coefficient of thermal conductivity of paints has a minus of the second order and is not lower than the coefficient of thermal conductivity of traditional thermal insulation materials. The thermophysical parameters of thermal insulation paints claimed by manufacturers do not correspond to reality and, in principle, cannot provide effective thermal protection of engineering structures. To assess energy efficiency, two main characteristics of thermal protection from the compared materials were calculated; the degree of increase in thermal resistance and the degree of decrease in heat flow of the insulated object. It is shown that it is not possible to achieve the required degree of thermal protection of objects using the proposed paints. The economic assessment of the effectiveness of using thermal insulation paints both separately and in combination with traditional thermal insulation has shown their complete lack of competitiveness. To achieve the same thermal effect when using “thermal insulation paints” one needs to spend, on average, 100 times more just on materials. With the combined use of “thermal insulation paints” together with traditional thermal insulation materials (in particular, mineral wool), the cost of achieving an equal thermal effect increases, on average, by a factor of 6, with an increase in thermal resistance of only 1.04 times. The general conclusion is that thermal insulation paints cannot be used for thermal protection of objects and energy saving in the form advertised by manufacturers.

A.F. GALKIN¹, Doctor of Sciences (Engineering), Professor (This email address is being protected from spambots. You need JavaScript enabled to view it.);
V.Yu. PANKOV², Candidate of Sciences (Geology and Mineralogy), Docent (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Melnikov Permafrost Institute SB RAS (36, Merzlotnaya Street, Yakutsk, 677010, Russian Federation)
² North-Eastern Federal University (58, Belinsky str., Yakutsk, 677027, Russian Federation)

1. Lesovik V.S., Puchka O.V., Vaisera S.S. Reduction of energy consumption of thermal insulation materials. International Journal of Applied Engineering Research. 2015. Vol. 10. No. 19, pp. 40599–40602. EDN: ­VAJSLZ
2. Ilyichev V.A., Nikiforova N.S., Konnov A.V. Prospects for the use of foam glass products in the foundation of buildings and structures on long term frozen soils. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2024. No. 9, pp. 36–41. (In Russian). EDN: ­TDQAXY. https://doi.org/10.31659/0044-4472-2024-9-36-41
3. Galkin A.F. Efficiency evaluation of thermal insulation use in cryolithic zone mine openings. Metallurgical and Mining Industry. 2015. No. 10, pp. 234–237. (In Russian). EDN: ­XXBCTJ
4. Galkin A.F., Zheleznyak M.N., Zhirkov A.F. Increasing the thermal stability of the embankment in permafrost regions. Stroitel’nye Materialy [Construction Materials]. 2021. No. 7, pp. 26–31. (In Russian). EDN: ­XMVYEL.
https://doi.org/10.31659/0585-430X-2021-793-7-26-31
5. Lesovik V.S., Puchka O.V., Vaisera S.S., Elistrat-kin M.Yu. New generation of building composites based on foam glass. Stroitel’stvo i Rekonstruktsiya. 2015. No. 3 (59), pp. 146–154. (In Russian). EDN: ­TQTUTB
6. Gornov A.A. Industrial housing construction on the basis of light concrete. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2021. No. 5, pp. 35–40. (In Russian). EDN: ­XVUNCZ. https://doi.org/10.31659/0044-4472-2021-5-35-40
7. Polovnikov V.Yu. Conductive heat transfer in a thin-film thermal insulation layer. Vestnik of Tomsk Polytechnic University. Georesources Engineering. 2019. No. 5, pp. 189–197. (In Russian). EDN: ­ALMHGP. https://doi.org/10.18799/24131830/2019/5/279
8. Schwerdtfeger P. The thermal properties of sea ice. Journal of Glaciology. 1963. Vol. 4. Iss. 36, pp. 789–807. https://doi.org/10.3189/S0022143000028379
9. Odelevsky V.I. Calculation of the generalized conductivity of heterogeneous systems. Zhurnal Tekhnicheskoy Fiziki. 1951. No. 6, pp. 667–685. (In Russian).
10. Galkin A.F., Kurta I.V., Pankov V.Yu. Calculation of thermal conductivity coefficient of thermal insulation mixtures. IOP Conference Series: Materials Science and Engineering. 2020. 012009. EDN: ­JSYOPJ.
https://doi.org/10.1088/1757-899X/918/1/012009
11. Bogdan T.V. Opisaniye kristallicheskikh struktur metallov v terminakh sharovykh upakovok i kladok [Description of the crystal structures of metals in terms of spherical packings and masonry]. Moscow: Moscow State University. 2015. 29 p.
12. Panchenko Yu.F., Zimakova G.A., Panchenko D.A. Energy efficiency of using a new heat-insulating material to reduce heat consumption of buildings and structures. Vestnik of the Tyumen State University of Architecture and Civil Engineering. 2011. No. 4, pp. 97–105. (In Russian). EDN: ­OKLRCF
13. Panchenko Yu.F., Zimakova G.A., Stepanov O.A., Panchenko D.A. Thermal insulation coating based on liquid foil and hollow microspheres. Stroitel’nye Materialy [Construction Materials]. 2012. No. 8, pp. 83–85. (In Russian). EDN: ­PGQBSX

In the context of transition to a circular economy, the task of managing man-made waste, in particular, in construction industry, one of the largest waste generators is becoming especially relevant. The key area is the development and implementation of the decommissioned materials processing technologies that minimizes the disposal volume and reduces primary raw materials consumption. The mineral wool is one of the most common thermal insulation materials, its waste volume is significant at the production stage (trim, scrap) as well as at the end of buildings life cycle (dismantling, renovation). This fibrous material made from rock melts (rock wool) or glass (glass wool) has high thermal and sound insulation characteristics and widespread use in construction for decades. However, the specific fibrous structure and the presence of binders, mainly phenol-formaldehyde resins, create significant difficulties for their recycling. Traditionally, such waste is sent to landfills, which leads to negative environmental impacts and valuable material resources loss. In this regard, the development of scientifically sound and technologically feasible methods for mineral wool waste processing in order to reintegrate it into the production cycle or apply it in other/related industries is an important scientific and practical task. The article is about the potential life cycle analysis and an overview of possible technological routes for mineral wool waste recycling.

A.Yu. KASHURKIN, Head of the Laboratory (This email address is being protected from spambots. You need JavaScript enabled to view it.),
V.M. FLORENSKY, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.),
I.V. MELNIKOVA, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.),
D.S. BOCHKAREV, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Scientific-Research Institute of Building Physics of the Russian Academy architecture and construction sciences (21, Lokomotivniy Driveway, Moscow,127238, Russian Federation)

1. Erofeev V.T., Rodin A.I., Yakunin V.V., Tuvin M.N. Structure, composition and properties of geopolymers from mineral wool waste. Magazine of Civil Engineering. 2019. No. 6 (90), pp. 3–14. EDN: XBXALK.
https://doi.org/10.18720/MCE.90.1
2. Kashurkin A.Yu., Melnikova I.V., Novakov A.D., Florensky V.M. Theoretical prospects for the modification of a cement mixture by the introduction of mineral wool for its secondary use. Stroitel’nye Materialy [Construction Materials]. 2024. No. 6, pp. 8–12. (In Russian). EDN: YQPZRT. https://doi.org/10.31659/0585-430X-2024-825-6-8-12
3. Abdrakhimov V.Z. Effect of mineral wool production waste – diabase batch on the physical and mechanical properties and phase composition of ceramic bricks. Izvestiya of higher educational institutions. Construction. 2019. No. 8 (728), pp. 37–44. (In Russian). EDN: PQKORF. https://doi.org/10.32683/0536-1052-2019-728-8-37-44
4. Erofeev V.T., Rodin A.I., Bochkin V.S., Yakunin V.V., Ermakov A.A. Lightweight geopolymers made of mineral wool production waste. Magazine of Civil Engineering. 2020. No. 1 (93), pp. 3–12. EDN: GURROI.
https://doi.org/10.18720/MCE.93.1
5. Vaysman Ya.I., Zhukov D.D., Ketov Yu.A. Recycling of mineral wool in the production of cellular glass. Stroitel’nye Materialy [Construction Materials]. 2015. No. 12, pp. 89–91. (In Russian). EDN: VHZYDJ
6. Abdrakhimov V.Z. Use of mineral wool waste in the production of ceramic wall materials. Vestnik of Perm National Research Polytechnic University. Construction and Architecture. 2019. Vol. 10. No. 3, pp. 53–60. (In Russian). EDN: FXLCGI. https://doi.org/10.15593/2224-9826/2019.3.06
7. Abdrakhimov V.Z. Use of waste from mineral wool production for obtaining wall materials Ekologiya promyshlennogo proizvodstva. 2019. No. 2 (106), pp. 9–12. (In Russian). EDN: JKZEWN
8. Patent for invention RU 2765184 C1. Sposob vtorichnoy pererabotki mineral’noy vaty, sposob izgotovleniya akusticheskikh panel’nykh elementov i takoy akusticheskiy panel’nyy elemen [Method of recycling mineral wool, method of manufacturing acoustic panel elements and such an acoustic panel element]. Karlsson O., Persson T. 26.01.2022. Application No. 2021103729 dated 28.08.2019. (In Russian). EDN: KOTVVG
9. Utility Model Patent No. 172975 U1 Russian Federation, IPC C04B 5/02, B02C 18/30. Izmel’chitel’-granulyator dlya pererabotki otkhodov proizvodstv mineral’noy vaty [Crusher-granulator for processing mineral wool production waste]: No. 2016150771. Firsov V.V., Samoy-lenko V.V., Blaznov A.N., et al. Applicant: Institute for Problems of Chemical and Energy Technologies of the Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS). Declared 2016. Published August 02.08.2017. (In Russian). EDN: TDTAOZ

The study results of individual housing construction (IHC) cost depending on used materials and the exterior walls construction technology are presented. The study relevance is due to the residential housing segment prevalence in the Russian housing market in terms of commissioning volumes and its decisive influence on the building materials demand. A representative selection including 25,221 standard projects was formed and analyzed for obtaining an objective comparative assessment based on open data. The article presents key wall construction technologies classification from precast reinforced concrete and glued beams to frame structures, blocks and SIP panels. Based on statistical analysis the technologies price segments were identified and ranked, and statistically significant the wall material effect on the total cost per square meter was shown. It was found that the gap between the average cost of the most expensive (precast reinforced concrete) and the most economical (SIP panel) solution reaches 48.8%. The variance analysis results are presented confirming the allocation of premium, medium and budget technology segments. The results obtained create the information basis for the construction technologies comparative analysis and can be used by market participants when choosing optimal design solutions and planning the construction budget.

A.O. ADAMTSEVICH, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
A.P. PUSTOVGAR, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
L.A. ADAMTSEVICH, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)

1. Viktorov M. Yu. Housing construction in current conditions of slowing economic growth. Vestnik MGSU. 2020. Vol. 15. No. 12, pp. 1708–1716. (In Russian). EDN: ­ARCUID. https://doi.org/10.22227/1997-0935.2020.12.1708-1716
2. Vysotsky E.V. The “quiet” revolution on russian construction sites. Stroitel’nye Materialy [Construction Materials]. 2025. No. 10, pp. 23–24. (In Russian). EDN: ­CBQOIM. https://doi.org/10.31659/0585-430X-2025-840-10-23-24
3. Fedorova A.V., Emelyanova E.G., Kuzmenkov A.A. Transformation of housing construction market indicators: main trends and forecasts. Fundamental’nye Issledovaniya. 2022. No. 10–1, pp. 129–135. (In Russian). EDN: ­MNZGZG.
https://doi.org/10.17513/fr.43355
4. Kurakova O.A., Efimov K.V. Formation of a portrait and preferences of consumers regarding individual housing construction projects. Nedvizhimost’: Ekonomika, Upravleniye. 2022. No. 2, pp. 79–85. (In Russian). EDN: ­CASAYU.
https://doi.org/10.22337/2073-8412-2022-2-79-85
5. Pilipenko I.V. Housing construction in Russia over 100 years: dynamics, results and socio-economic problems. Voprosy Ekonomiki. 2025. No. 1, pp. 134–158. (In Russian). EDN: ­GZDMUC. https://doi.org/10.32609/0042-8736-2025-1-134-158
6. Nikolaev S.V. Construction of low-rise housing from house sets of factory production. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2021. No. 5, pp. 3–8. (In Russian). EDN: ­XXAYOZ. https://doi.org/10.31659/0044-4472-2021-5-3-8
7. Zaprudnov V.I., Seregin N.G., Potekhin N.I. Prospects for the construction of unique buildings and structures from wood. Lesnoy vestnik. Forestry Bulletin. 2023. Vol. 27. No. 4, pp. 128–136. (In Russian). EDN: ­OAYORW.
https://doi.org/10.18698/2542-1468-2023-4-128-136
8. Bozhko Yu.A., Lapunova K.A. About the development of brick-design in Russia. Stroitel’nye Materialy [Construction Materials]. 2020. No. 12, pp. 21–24. (In Russian). EDN: ­GGQGIR. https://doi.org/10.31659/0585-430X-2020-787-12-21-24
9. Nikolaev S.V. Double-layer external panel in industrial buildings. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2023. No. 10, pp. 9–13. (In Russian). EDN: ­PVMSEB. https://doi.org/10.31659/0044-4472-2023-10-9-13
10. Peter T., Pinto E., Tracy J., Low-rise multifamily and housing supply: A case study of Seattle. Journal of Housing Economics. 2025. Vol. 69. 102082. https://doi.org/10.1016/j.jhe.2025.102082
11. Filatov E.F. Growing manor houses – an important direction for solving the housing problem in Russia. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2020. No. 12, pp. 47–52. (In Russian). EDN: ­NCRDND.
https://doi.org/10.31659/0044-4472-2020-12-47-52

The results of research are presented, the purpose of which was to evaluate the possibility of using hydraulic extraction ash, hereinafter referred to as CSU, as the main raw material in the production of building ceramics by plastic molding. The main object of research, based on previously conducted work, was chosen to be the ZGU TPP-10. The article presents the raw materials that provide the possibility of plastic molding of raw samples, their physico-mechanical characteristics, as well as the physico–mechanical characteristics of a ceramic shard obtained from CSU by plastic molding. Using mathematical planning, the key factors influencing the properties of the raw material and the strength of the ceramic shard obtained on its basis have been established. According to the research results, it has been established that the molding properties of CSU that meet the criteria of plastic molding can be achieved by introducing organic additives, modifiers, which simultaneously ensure the consistency of the raw material composition and the preservation of its geometric parameters after the molding process. The strength of the raw material, depending on its component composition, varies from 1.97 to 3.46 MPa, and the ceramic shard, depending on the firing temperature, can vary from 35.3 to 65.9 MPa, respectively. The achieved physical and mechanical characteristics meet the requirements of GOST 530–2019 Ceramic brick and stone. The general technical conditions indicate the fundamental possibility of using CSU as the main raw material for the production of building ceramics by plastic molding.

S.V. MAKARENKO¹, Candidate of Sciences (Engineering), Docent (This email address is being protected from spambots. You need JavaScript enabled to view it.);
V.G. KHOZIN², Doctor of Sciences (Engineering), Professor (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Irkutsk National Research Technical University (83, Lermontov Street, Irkutsk, 664074, Russian Federation)
² Kazan State University of Architecture and Engineering (1, Zelenaya Street, Kazan, 420043, Russian Federation)

1. Makarenko S.V., Gonzhitov A.B., Khozin V.G. Prospects of the Irkutsk region hydro-removal ash usage as the main raw material for construction ceramics production. Stroitel’nye Materialy [Construction Materials]. 2025. No. 4, pp. 45–51. (In Russian). EDN: ­EYHLHU. https://doi.org/10.31659/0585-430X-2025-834-4-45-51
2. Makarov D.V., Melkonyan R.G., Suvorova O.V., Kumarova V.A. Prospects for the use of industrial waste for the production of ceramic construction materials. Gornyy Informatsionno-Analiticheskiy Byulleten’ (scientific and technical journal). 2016. No. 5, pp. 254–281. (In Russian). EDN: ­VTOBUT
3. Buravchuk N.I., Guryanova O.V., Parinov I.A. Use of technogenic raw materials in ceramic technology. Open Ceramics. 2024. Vol. 18. 100578. https://doi.org/10.1016/j.oceram.2024.100578
4. Nurpeisova M., Nurlybayev R., Orynbekov Y., Iskakov A. Research and use of ash and slag waste for the production of building materials. Mining Magazine of Kazakhstan. 2024. No. 3, pp. 35–40.
https://doi.org/10.48498/minmag.2024.227.3.003
5. Abdrakhimova E.S. Formation of light ash and its use in the production of floor tiles. Ugol’. 2019. No. 11, pp. 64–66. (In Russian). EDN: ­EAPQLA. http://doi.org/10.18796/0041-5790-2019-11-64-66
6. Gur’eva V.A., Doroshin A.V. Application of ash-slag ceramics for low-rise construction. Stroitel’nye Materialy [Construction Materials]. 2022. No. 4, pp. 6–10. (In Russian). EDN: ­QMTBDJ. http://doi.org/10.31659/0585-430X-2022-801-4-6-10
7. Stolboushkin A.Yu., Isterin E.V., Fomina O.A. Use of thermal power engineering waste to reduce the average density of ceramic wall materials with a matrix structure. Stroitel’nye Materialy [Construction Materials]. 2024. No. 4, pp. 13–19. (In Russian). EDN: ­TPRBIP. http://doi.org/10.31659/0585-430X-2024-823-4-13-19
8. Yu-Ming Huang, Chao-Shi Chen, Jian-Wen Lai. Utilizing industrial sludge ash in brick manufacturing and quality improvement. Materials. 2024. Vol. 17 (11). 2568. https://doi.org/10.3390/ma17112568
9. Kusiorowski R., Gerle A., Dudek K., Związek K. Application of hard coal combustion residuals in the production of ceramic building materials. Construction and Building Materials. 2021. Vol. 304. 124506.
http://doi.org/10.1016/j.conbuildmat.2021.124506
10. Dacuba J., Cifrian E., Romero M., Llano T., Andrés A. Influence of unburned carbon on environmental-technical behavior of coal fly ash fired clay bricks. Applied Sciences. 2022. Vol. 12 (8). 3765.
https://doi.org/10.3390/app12083765
11. Arykbaev K.B. Justification of parameters of extrusion press equipment for the production of construction bricks. Diss… Candidate of Sciences (Engineering). Kyrgyzstan, Bishkek. 2020. 147 p. (In Russian). https://arch.kyrlibnet.kg/uploads/kgusta.arykbaev%20kanatbek%20bajyshbekovich.2020.diss.pdf
12. Guimarães A.S., Delgado J.M.P.Q., Lucas S.S. Additive manufacturing on building construction. Defect and Diffusion Forum. 2021. Vol. 412, pp. 207–216. EDN: ­XJJQVG. https://doi.org/10.4028/www.scientific.net/ddf.412.207
13. Korneev V.I., Zozulya P.V., Medvedeva I.N., Bogoyavlenskaya G.A., Nuzhdina N.I. Retsepturnyy spravochnik po sukhim stroitel’nym smesyam [Recipe handbook for dry building mixtures]. St. Petersburg: Kvintet. 2021. 302 p.
14. Vatin N.I., Chumadova L.I., Goncharov I.S., Zykova V.V., Karpenya A.N., Kim A.A., Finashenkov E.A. 3D printing in construction. Stroitel’stvo Unikal’nykh Zdaniy i Sooruzheniy. 2017. No. 1 (52), pp. 27–46. (In Russian). EDN: ­YNESHX. https://doi.org/10.18720/CUBS.52.3

The relevance of using man-made mineral waste in the technology of ceramic wall products is shown. A promising direction for the production of ceramic bricks based on aggregated ash complexes is considered. A method of obtaining them is given, which ensures a decrease in the average density and an increase in the thermal characteristics of wall products. A brief description of the raw materials used in conducting factory tests is given, including thermal power plant fly ash, natural clay raw materials and a technological binder based on polyvinyl alcohol. The composition and technique of preparation of a granular press mass consisting of aggregated ash complexes are given. The parameters of pressing raw bricks and firing products in the factory are presented. Mechanical tests of compressive and bending strength of ceramic bricks based on aggregated ash complexes in a factory laboratory are shown. The results of a study of the physico-mechanical properties of an experimental batch of ceramic bricks with a matrix structure based on aggregated ash complexes are presented. A technological scheme for the production of ceramic bricks based on ash granules has been developed. The main stages of the full cycle of ceramic products production are given. A technological regulation has been developed for the design of the production of ceramic bricks from loam and ash-entrainment of thermal power plants.

E.V. ISTERIN¹, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.),
A.Yu. STOLBOUSHKIN¹, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
R.S. BOGDANOV², Chief Technologist (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Siberian State Industrial University (42, Kirova Street, Novokuznetsk, 654007, Russian Federation)
² OOO «Mazurovsky Brick Factory» (23, Gruzovaya Street, Kemerovo, 650021, Russian Federation)

1. Semenov A.A. Some trends in the development of the ceramic wall materials market in Russia. Stroitel’nye Materialy [Construction Materials]. 2022. No. 4, pp. 4–5. (In Russian). EDN: ­HSZGPY
https://doi.org/10.31659/0585-430X-2022-801-4-4-5
2. Semenov A.A. Results of the development of the Russian wall materials market in 2021. Stroitel’nye Materialy [Construction Materials]. 2022. No. 3, pp. 44–45. (In Russian). EDN: ­QOLNNJ. https://doi.org/10.31659/0585-430X-2022-800-3-44-45
3. Makarov D.V., Melkonyan R.G., Suvorova O.V., Kumarova V.A. Prospects for the use of industrial waste for the production of ceramic building materials. Gornyy informatsionno-analiticheskiy byulleten’ (scientific and technical journal). 2016. No. 5, pp. 254–281. (In Russian). EDN: ­VTOBUT
4. Menshikova V.K., Demina L.N. Non-plastic raw materials for the production of building ceramics. Stroitel’nye Materialy i Izdeliya. 2020. Vol. 3. No. 4, pp. 31–38. (In Russian). EDN: ­NDCETG. https://doi.org/10.34031/2618-7183-2020-3-4-31-38
5. Gur’eva V.A., Doroshin A.V. Application of ash-slag ceramics for low-rise construction. Stroitel’nye Materialy [Construction Materials]. 2022. No. 4, pp. 6–10. (In Russian). EDN: ­QMTBDJ. https://doi.org/10.31659/0585-430X-2022-801-4-6-10
6. Stolboushkin A.Yu., Berdov G.I., Vereshchagin V.I., Fomina O.A. Ceramic wall materials of matrix structure based on non-sintering low-plasticity technogenic and natural raw materials. Stroitel’nye Materialy [Construction Materials]. 2016. No. 8, pp. 19–23. EDN: ­WMSBOR
7. Abdrakhimov V.Z., Kolpakov A.V. Aspects of using waste from the fuel and energy complex and chemical industry in the production of ceramic bricks. Ekologiya i Promyshlennost’ Rossii. 2019. Vol. 23. No. 1, pp. 11–14. (In Russian). EDN: ­VQPXIE. https://doi.org/10.18412/1816-0395-2019-01-11-14
8. Abdrakhimov V.Z., Abdrakhimova E.S. Ceramic wall materials based on fired sludge from alkaline etching of aluminum and intershale clay. Ekologiya Promyshlennogo Proizvodstva. 2015. No. 3 (91), pp. 8–11. (In Russian). EDN: ­UYCGQB
9. Gaishun E.S., Yavruyan H.S., Kotlyar V.D. Technology of production of highly efficient ceramic stones based on coal dump processing products. Theory and practice of improving the efficiency of building materials: Proceedings of the International Scientific and Technical Conference. Penza. 2018, pp. 18–26. (In Russian). EDN: ­MGNDJX
10. Kotlyar V.D., Kozlov A.V., Zhivotkov O.I., Kozlov G.A. Calcium-silicate brick on the basis of microspheres and lime. Stroitel’nye Materialy [Construction Materials]. 2018. No. 9, pp. 17–21. (In Russian). EDN: ­XZJALZ.
https://doi.org/10.31659/0585-430X-2018-763-9-17-21
11. Vlasov V.A., Skripnikova N.K., Semenovykh M.A., Volokitin O.G., Shekhovtsov V.V. Wall ceramic materials using technogenic iron-containing raw materials. Stroitel’nye Materialy [Construction Materials]. 2020. No. 8, pp. 33–37. (In Russian). EDN: ­LNTWYG https://doi.org/10.31659/0585-430X-2020-783-8-33-37
12. Patent RF No. 2835396. Syr’yevaya smes’ dlya izgotovleniya stenovykh keramicheskikh materialov i sposob ikh polucheniya [Raw material mix for the manufacture of wall ceramic materials and method for their production]. Stolboushkin A.Yu., Isterin E.V., Fomina O.A.; Declareted 10.07.2024. Published 25.02.2025. (In Russian). EDN: ­NMYUME
13. Stolboushkin A.Yu., Isterin E.V., Fomina O.A. Use of thermal power engineering waste to reduce the average density of ceramic wall materials with a matrix structure. Stroitel’nye Materialy [Construction Materials]. 2024. No. 4, pp. 13–19. (In Russian). EDN: ­TPRBIP https://doi.org/10.31659/0585-430X-2024-823-4-13-19
14. Stolboushkin A.Yu., Isterin E.V. Study of Fly Ash from the west siberian thermal power plant as a potential raw material for obtaining ceramics. Quality. Technologies. Innovations: Proceedings of the VI International Scientific and Practical Conference. Novosibirsk. 2023, pp. 96–103. (In Russian). EDN: ­PXPAPA

The article discusses current issues related to integrating industrial by-products into building materials production as a vector of innovation for the construction industry. It is shown that this direction corresponds to the global trend of resource and energy saving in the construction industry. The implementation problem is that despite the significant scientific groundwork of the Russian school of construction materials science in the field of industrial waste disposal, their large-scale practical application has not yet been implemented. The aim of the work is to form a multi-level system of approaches to the industrial by-products usage, for which tasks to identify restraining problems, determine ways to solve them and develop proposals for pilot projects taking into account regional peculiarities have been set. Three groups of problems are highlighted: technological (instability of raw material properties, lack of uniform control methods), organizational and managerial (imperfect legal framework, lack of incentive system) and economic (lack of funding, high processing costs, risks of demand limitation). As a strategic way forward, interaction in the triad “government – science – business” is proposed, detailed through a responsibility matrix, where the key role is assigned to the state in creating a regulatory framework and incentive system. As tactical measures, options for pilot projects using metallurgical slags for the Voronezh Region are proposed, including the production of dry mortar, multicomponent binders, small-piece products and their integration into one enterprise based on the concept of “flexible technology”.

I.I. AKULOVA, Doctor of Sciences (Economy) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
G.S. SLAVCHEVA, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
D.S. BABENKO, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Voronezh State Technical University (84, 20-letiya Oktayabrya Street, Voronezh, 394006, Russian Federation)

1. Brodny J., Tutak M. Assessing the level of innovativeness and digitalization of enterprises in the European Union States. Journal of Open Innovation: Technology, Market, and Complexity. 2024. Vol. 10. 100210. https://doi.org/10.1016/j.joitmc.2024.100210
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https://doi.org/10.1016/j.procs.2023.10.140
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8. Jinkang H., Wisal A., Dengwu J., Liu Y. A. Critical review of the technical characteristics of recycled brick powder and its influence on concrete properties. Buildings. 2024. No. 14 (11). 3691. https://doi.org/10.3390/buildings14113691
9. Nikmehr B., Kafle B., Al-Ameri R. Developing a sustainable self-compacting geopolymer concrete with 100% geopolymer-coated recycled concrete aggregate replacement Geopolymer concrete with recycled aggregates. Smart and Sustainable Built Environment. 2023. Vol. 13. Iss. 2, pp. 395–424. https://doi.org/10.1108/SASBE-08-2023-0228
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14. Rakhimova N.R. A review of calcined clays and ceramic wastes as sources for alkali-activated materials. Geosystem Engineering. 2020. Vol. 23. No. 5, pp. 287–298. EDN: ­NASPTU. https://doi.org/10.1080/12269328.2020.1768154
15. Акулова И.И., Артамонова О.В., Гончарова М.А., Коротких Д.Н., Макеев А.И., Славчева Г.С. Научная школа академика РААСН Е.М. Чернышова (памяти учителя). Ч. 1. Разработка фундаментальных проблем материаловедения строительных композитов // Научный журнал строительства и архитектуры. 2022. № 4 (68). С. 72–82. EDN: ­VFWTDQ. https://doi.org/10.36622/VSTU.2022.68.4.007
15. Akulova I.I., Artamonova O.V., Goncharova M.A., Korotkikh D.N., Makeev A.I., Slavcheva G.S. Scientific school of the academician of the RAASN E.M. Chernyshov (in memory of the teacher). Part 1. Development of fundamental problems of materials science of building composites. Nauchnyj Zhurnal Stroitel’stva i Arhitektury. 2022. No. 4 (68), pp. 72–82. (In Russian). EDN: ­VFWTDQ. https://doi.org/10.36622/VSTU.2022.68.4.007
16. Акулова И.И., Артамонова О.В., Гончарова М.А., Коротких Д.Н., Макеев А.И., Славчева Г.С. Научная школа академика РААСН Е.М. Чернышова (памяти учителя). Ч. 2. Научно-практические разработки // Научный журнал строительства и архитектуры. 2023. № 1 (69). C. 43–65. https://doi.org/10.36622/VSTU.2023.69.1.004
16. Akulova I.I., Artamonova O.V., Goncharova M.A., Korotkikh D.N., Makeev A.I., Slavcheva G.S. Scientific school of academician RAASN E.M. Chernyshov (in memory of the teacher). Part 2. Scientific and practical developments. Nauchnyj Zhurnal Stroitel’stva i Arhitektury. 2023. No. 1 (69), pp. 43–65. (In Russian). https://doi.org/10.36622/VSTU.2023.69.1.004
17. Калашников В.И., Тараканов О.В., Володин В.М., Ерофеева И.В., Абрамов Д.А. Бетоны переходного и нового поколений. Состояние и перспективы // Технологии бетонов. 2023. № 2 (187). С. 33–38. EDN: ­AJRFJA
17. Kalashnikov V.I., Tarakanov O.V., Volodin V.M., Erofeeva I.V., Abramov D.A. Concretes of transition and new generations. State and prospects. Technologii Betonov. 2023. No. 2 (187), pp. 33–38. (In Russian). EDN: ­AJRFJA
18. Калашников В.И., Тараканов О.В. О применении комплексных добавок в бетонах нового поколения // Строительные материалы. 2017. № 1–2. С. 62–67. https://doi.org/10.31659/0585-430X-2017-745-1-2-62-67
18. Kalashnikov V.I., Tarakanov O.V. On the use of complex additives in new generation concretes. Stroitel’nye Materialy [Construction Materials]. 2017. No. 1–2, pp. 62–67. (In Russian). https://doi.org/10.31659/0585-430X-2017-745-1-2-62-67
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22. Чернышов Е.М., Акулова И.И., Гончарова М.А., Сергуткина О.Р., Потамошнева Н.Д. Концепция, методология и прикладные решения проблемы строительно-технологической утилизации техногенных отходов // Известия высших учебных заведений. Строительство. 2020. № 8 (740). С. 70–91. EDN: ­GLQCJS. https://doi.org/10.32683/0536-1052-2020-740-8-70-91
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The article presents an in-depth analysis of the used automobile tires accumulation and recycling subjects, as well as the possibility of its involvement in the closed cycle economy of the road construction segment. The issues of the society development concept in terms of the national and sectoral programs implementation that overlap with transdisciplinary approaches of geonics (geomimetics) in relation to the primary resources conservation and the secondary raw materials involvement are considered. The paper consistently outlines following issues: what a car tire is and used tires accumulation dynamics; the regulatory and legal framework in the tire recycling segment; methods of recycling worn-out tire products; the variability of rubber chips usage in road construction. The industry experience in rubber chips usage is highlighted, emphasising its use as mix modifiers in asphalt concrete composition. The information on the rubber modifiers and their key manufacturer is systematized. As part of the research, the technological foundations for the rubber modifiers for asphalt concrete mixtures production have been developed, based on the principles of man-made metasomatism and structural affinity, providing high performance of asphalt concrete in highways coating. It is noted that rubber modifiers are not only a response to morden environmental challenges, but also a key tool for durable, safe and economically viable road surfaces creating.

M.A. VYSOTSKAYA, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
V.S. LESOVIK, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
A.V. KURLYKINA, Postgraduate Student (This email address is being protected from spambots. You need JavaScript enabled to view it.),
M.I. SAMOILOV, Postgraduate Student (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Belgorod State Technological University named after V.G. Shukhov (46, Kostyukova Street, Belgorod, 308012, Russian Federation)

1. Сведения об автомобильных дорогах общего пользования и сооружениях на них федерального, регионального или межмуниципального значения // Минтранс РФ. ФДА «Росавтодор»: [Электронный ресурс]. https://rosavtodor.gov.ru/about/upravlenie-fda/upravlenie-stroitelstva-avtomobilnykh-dorog/statisticheskaya-otchetnost-napravlennaya-v-rosstat/633821 (дата обращения: 14.05.2025).
1. Information about public roads and structures on them of federal, regional or inter-municipal significance. Ministry of Transport of the Russian Federation. FDA Rosavtodor. [Electronic resource]. https://rosavtodor.gov.ru/about/upravlenie-fda/upravlenie-stroitelstva-avtomobilnykh-dorog/statisticheskaya-otchetnost-napravlennaya-v-rosstat/633821 (In Russian). (Accessed: 14.05.2025).
2. Лыткин А.А., Долгих Г.В., Пролыгин А.С. Пути увеличения межремонтных сроков службы автомобильных дорог // Вестник СибАДИ. 2024. Т. 21. № 2 (96). С. 290–313. EDN: ­MJZCRV. http://doi.org/10.26518/2071-7296-2024-21-2-290-313
2. Lytkin A.A., Dolgikh G.V., Prolygin A.S. Ways to increase the service life of roads. Vestnik SibADI. 2024. Vol. 21. No. 2 (96), pp. 290–313. (In Russian). EDN: ­MJZCRV. http://doi.org/10.26518/2071-7296-2024-21-2-290-313
3. Динамика показателей национального проекта «Безопасные качественные дороги». ФГБУ «Информавтодор»:[Электронный ресурс]. https://bkdrf.ru/Home/Statistics (дата обращения: 14.05.2025).
3. Dynamics of the Safe and high-quality roads National Project indicators. FGBU «Informavtodor» [Electronic resource]. https://bkdrf.ru/Home/Statistics (In Russian). (accessed:14.05.2025).
4. Новые национальные проекты в сфере транспорта повысят качество жизни россиян. Министерство транспорта Российской Федерации: [Электрон-ный ресурс]. https://mintrans.gov.ru/press-center/news/11262 (дата обращения: 16.05.2025).
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5. Fomina N.N., Khozin V.G. Polymer waste thermoplastic binder. Stroitel’nye Materialy [Construction Materials]. 2021. No. 1–2, pp. 105–114. (In Russian). EDN: ­VADDQP. http://doi.org/10.31659/0585-430X-2021-788-1-2-105-114
6. Токарева С.А., Кабанова М.К. Утилизация крупнотоннажных отходов. Переработка, обезвреживание и получение полезной продукции // Строительные материалы. 2022. № 5. С. 25–29. EDN: ­VBRHKP.
https://doi.org/10.31659/0585-430X-2022-802-5-25-29
6. Tokareva S.A., Kabanova M.K. Disposal of large-tonnage waste. Processing, neutralization and obtaining useful products. Stroitel’nye Materialy [Construction Materials]. 2022. No. 5, pp. 25–29. (In Russian). EDN: ­VBRHKP.
https://doi.org/10.31659/0585-430X-2022-802-5-25-29
7. Агамов Р.Э., Гончарова М.А., Мраев А.В. Сталеплавильные шлаки как эффективное сырье в дорожном строительстве // Строительные материалы. 2023. № 1–2. С. 56–60. EDN: ­UTKVVB. https://doi.org/10.31659/0585-430X-2023-810-1-2-56-60
7. Agamov R.E., Goncharova M.A., Mraev A.V. Steelmaking slags as an effective raw material in road construction. Stroitel’nye Materialy [Construction Materials]. 2023. No. 1–2, pp. 56–60. (In Russian). EDN: ­UTKVVB.
https://doi.org/10.31659/0585-430X-2023-810-1-2-56-60
8. Бабков В.В., Недосеко И.В., Глазачев А.О., Синицин Д.А., Парфенова А.А., Каюмова Э.И. Композиционные материалы для дорожного строительства на основе отходов химической и металлургической промышленности // Строительные материалы. 2023. № 1–2. С. 88–94. EDN: ­BMAMBT. https://doi.org/10.31659/0585-430X-2023-810-1-2-88-94
8. Babkov V.V., Nedoseko I.V., Glazachev A.O., Sinitsin D.A., Parfenova A.A., Kayumova E.I. Composite materials for road construction based on chemical and metallurgical wastes. Stroitel’nye Materialy [Construction Materials]. 2023. No. 1–2, pp. 88–94. (In Russian). EDN: ­BMAMBT. https://doi.org/10.31659/0585-430X-2023-810-1-2-88-94
9. Сайдумов М.С., Муртазаев С.-А.Ю., Межидов Д.А. Теоретические и практические аспекты вторичного использования отходов гидролизных производств в композиционных строительных материалах (обзор) // Строительные материалы. 2023. № 12. С. 61–69. EDN: ­ABVBTI. https://doi.org/10.31659/0585-430X-2023-820-12-61-69
9. Saidumov M.S., Murtazaev S.-A.Yu., Mezhidov D.A. Theoretical and practical aspects of recycling hydrolysis production wastes in composite construction materials (Overview). Stroitel’nye Materialy [Construction Materials]. 2023. No. 12, pp. 61–69. (In Russian). EDN: ­ABVBTI. https://doi.org/10.31659/0585-430X-2023-820-12-61-69
10. Муртазаев С.Ю., Бекмурзаева Л.Р., Саламанова М.Ш., Сайдумов М.С., Витаргова Р.С. Пути декарбонизации строительной отрасли как современный вызов для получения низкоуглеродных строительных материалов // Строительные материалы. 2024. № 9. C. 51–57. EDN: ­JSMWEK. https://doi.org/10.31659/0585-430X-2024-828-9-51-57
10. Murtazaev S.Yu., Bekmurzaeva L.R., Salamano-va M.Sh., Saidumov M.S., Vitargova R.S. Ways to decarbonize the construction industry as a modern challenge for low-carbon building materials. Stroitel’nye Materialy [Construction Materials]. 2024. No. 9, pp. 51–57. (In Russian). EDN: ­JSMWEK. https://doi.org/10.31659/0585-430X-2024-828-9-51-57
11. Ибрагимов Р.А., Зигангирова Л.И. Технология рециклинга бетонных отходов // Строительные материалы. 2025. № 1–2. C. 54–59. EDN: ­EOOYXJ. https://doi.org/10.31659/0585-430X-2025-832-1-2-54-59
11. Ibragimov R.A., Zigangirova L.I. Concrete waste recycling technology. Stroitel’nye Materialy [Construction Materials]. 2025. No. 1–2, pp. 54–59. (In Russian). EDN: ­EOOYXJ. https://doi.org/10.31659/0585-430X-2025-832-1-2-54-59
12. Лесовик В.С., Шеремет А.А., Чулкова И.Л., Журавлева А.Э. Геоника (геомиметика) и поиск оптимальных решений в строительном материаловедении // Вестник СибАДИ. 2021. Т. 18. № 1 (77). С. 120–134. EDN: ­HMWWZK. https://doi.org/10.26518/2071-7296-2021-18-1-120-134
12. Lesovik V.S., Sheremet A.A., Chulkova I.L., Zhuravleva A.E. Geonics (geomimetics) and search for optimal solutions in construction materials science. Vestnik SibADI. 2021. Vol. 18. No. 1 (77), pp. 120–134. (In Russian). EDN: ­HMWWZK. https://doi.org/10.26518/2071-7296-2021-18-1-120-134
13. Лесовик В.С. Геоника. Предмет и задачи. Белгород: БГТУ им. В.Г. Шухова, 2012. 219 с. EDN: ­SFGPEB
13. Lesovik V.S. Geonika. Predmet i zadachi [Geonickname. Subject and tasks]. Belgorod: BSTU named after V.G. Shukhov. 2012. 219 p. EDN: ­SFGPEB
14. Cerminara G., Cossu R. Waste input to landfills. In book: Solid Waste Landfilling. 2018, pp. 15–39. https://doi.org/10.1016/B978-0-12-407721-8.00002-4
15. Winternitz K., Heggie M., Baird J. Extended producer responsibility for waste tyres in the EU: Lessons learnt from three case studies – Belgium, Italy and the Netherlands. Waste Management. 2019. Vol. 89, pp. 386–396.
https://doi.org/10.1016/j.wasman.2019.04.023
16. Аманов М.Э. Утилизация и переработка шин как решение потребительских и экологических проблем. В сборнике: Экологическая безопасность и устойчивое развитие урбанизированных территорий: Сборник докладов IV Международной научно-практической конференции. Н. Новгород: ННГАСУ, 2023. С. 106–111. EDN: ­DMGQCH
16. Amanov M.E. Recycling and recycling tires as a solution to consumer and environmental problems. In the collection: Environmental safety and sustainable development of urbanized areas: Collection of reports of the IV International Scientific and Practical Conference. Nizhny Novgorod: NNGASU, 2023, pp. 106–111. (In Russian). EDN: ­DMGQCH.
17. Гавриленко В.А. Состояние и актуальные тенденции развития мирового рынка шин // Вестник химической промышленности: интернет-журнал. 2023. http://vestkhimprom.ru/posts/sostoyanie-i-aktualnye-tendentsii-razvitiya-mirovogo-rynka-shin (дата обращения: 15.05.2025).
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High-strength concrete composites based on nanostructured additives and small aggregates from local deposits Obtaining is an urgent task. The I/C reducing possibility by the mixing water surface tension values reduction using a comprehensive nanomodifier is established. It is shown that combined use of silicon acid sol gel nanoparticles and Frem Giper S-TB hyperplasticizer leads to the water surface tension decrease to 31.4 mN/m. It has been experimentally established that when using comprehensive nano-additives in fine-grained concrete based on a fine aggregate from the deposit in the Chechen Republic and with the concrete mixture mobility of P1, the strength of the obtained samples was 61.17 MPa. When using this comprehensive nanoadditive in fine-grained concrete based on a monofractive standard aggregate with the mobility of P1, high-strength composites with a strength of more than 70 MPa were obtained. High-strength fine-grained concretes with low deformations based on local sands with a low coarseness modulus were obtained with the combined use of silicon acid sol gel nanoparticles and Frem Giper S-TB hyperplasticizer at a standard cement consumption. X-ray phase studies show a significant decrease in the reflection of peaks belonging to portlandite Ca(OH)₂ when using a comprehensive additive. At the same time, the intensity of low-base calcium hydrosilicates peaks increases, which leads to a higher binding capacity. The obtained results make it possible to control early structuring of fine-grained concretes by impact the surface tension of aqueous surfactant solutions in cement concretes measured value.

A.M. ABDULLAYEV¹, Researcher (sf.gstou.ru);
S.-A.Yu. MURTAZAEV^1,2, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
M.A.-V. ABDULLAYEV¹, Researcher (This email address is being protected from spambots. You need JavaScript enabled to view it.);
M.Sh. MINTSAEV¹, Doctor of Sciences (Engineering), Professor, Rector;
R.M. ABDULLAYEV¹, Postgraduate Student (This email address is being protected from spambots. You need JavaScript enabled to view it.);
I.S.-A. MURTAZAEV³, Postgraduate Student (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Complex Scientific Research Institute named after Kh.I. Ibragimov of the Russian Academy of Sciences (21A, Staropromyslovskoe Highway, Grozny, 364906, Russian Federation)
² Millionshchikov Grozny State Oil Technical University (100, Isaeva Avenue, Grozny, 364021, Russian Fderation)
³ National Research Moscow State University of Civil Engineering (26, Yaroslavskoye Highway, Moscow, 129337, Russian Federation)

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