AbstractAbout AuthorsReferences
For a reliable assessment of the technical condition of the building and its concrete and reinforced concrete structures, it is important to know the actual strength of concrete. At the same time, it is necessary to determine this parameter with minimal material and time expenditures and with minimal damage to the tested structures. For compliance of test results with the requirements of the current regulatory documentation, the choice of the optimal method for determining the strength means the choice of a combination of direct and indirect methods for determining the strength. According to the results of the evaluation of the initial material costs for the purchase of devices and the results of the assessment of time spent on testing, the optimal combination of methods for determining the strength is the joint use of the separation method with chipping and ultrasonic method. The use of this combination of methods also makes it possible to obtain the results of concrete strength measurements with high reliability.
A.A. PARFENOV1, Engineer
O.A. SIVAKOVA1, Engineer
O.A. GUSAR’2, Bachelor
V.V. BALAKIREVA2, Bachelor
O.A. SIVAKOVA1, Engineer
O.A. GUSAR’2, Bachelor
V.V. BALAKIREVA2, Bachelor
1 JSC “Design-Technological Bureau of Concrete and Reinforced Concrete” (JSC “KTB RC”) (Bldg. 15A, 6, 2-nd Institutskaya Street, Moscow, 109428, Russian Federation)
2 National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)
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2. Nedavnii O.I., Smokotin A.V., Bogatyreva M.M., Protasova I.B. Experience of using the echo-pulse method for non-destructive testing of concrete bearing structures. Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel’nogo universiteta. 2015. No. 1 (48), pp. 140–147. (In Russian).
3. Davidyuk A.A., Rumayantsev I.M. Strength control of structures made of high-strength concrete at the stage of operation of high-rise buildings. Stroitel’nye Materialy [Construction Materials]. 2018. No. 1–2, pp. 63–66. DOI: https://doi.org/10.31659/0585-430X-2018-756-1-2-63-66 (In Russian).
4. Gulunov A.V. Methods and means of nondestructive testing of concrete and reinforced concrete products. Stroitel’nye Materialy [Construction Materials]. 2002. No. 8, pp. 14–16. (In Russian).
5. Vlasov V.M., Donov A.V., Kondakov V.E., Bakanovichus N.S. The use of non-destructive methods of control in assessing the quality of concrete for testing cores. Gidrotekhnicheskoe stroitel’stvo. 2007. No. 2, pp. 11–22. (In Russian).
6. Bukin A.V., Patrakov A.N. Determination of concrete strength by methods of destructive and non-destructive testing. Vestnik Permskogo gosudarstvennogo tekhnicheskogo universiteta. Stroitel’stvo i arkhitektura. 2010. No. 1, pp. 89–94. (In Russian).
7. Pavlov A.N. Non-destructive methods for monitoring the strength of concrete during the construction of monolithic buildings. Nauka, tekhnika i obrazovanie. 2015. No. 5 (11), pp. 47–49. (In Russian).
8. Kozlov A.V., Kozlov V.N. Development and current state of the methods of non-destructive testing and acoustic tomography of concrete. Defektoskopiya. 2015. No. 6, pp. 3–14. (In Russian).
9. Nesvetaev G.V., Kolleganov A.V., Kolleganov N.A. Features of non-destructive testing of concrete strength of operated reinforced concrete structures. Internet-zhurnal Naukovedenie. 2017. Vol. 9. No. 2, p. 100. (In Russian).
10. Yavorskii A.A., Martos V.V. Problems of ensuring the quality of monolithic construction objects. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2010. No. 3, pp. 6–8. (In Russian).
11. GOST 28570–90. Concretes. Methods of strength evaluation on cores drilled from structures. (In Russian).
12. GOST 22690–2015. Concretes. Determination of strength by mechanical methods of nondestructive testing. (In Russian).
13. GOST 17624–2012. Concretes. Ultrasonic method of strength determination. (In Russian).
14. GOST 18105–2010. Concretes. Rules for control and assessment of strength. (In Russian).
15. Ulybin A.V. On the choice of concrete strength inspection methods of ready-built structures. Magazine of Civil Engineering. 2011. No. 4 (22), pp. 10–15. (In Russian).
16. SP 13-102–2003. Regulations for inspection the structures of buildings and erections. Moscow: Gosstroy of Russia, GUP TsPP, 2004. (In Russian).
17. Zubkov V.A. Opredelenie prochnosti betona. [Determination of concrete strength]. Moscow: ASV. 1998. 120 p.
For citation: Parfenov A.A., Sivakova O.A., Gusar’O.A., Balakireva V.V. Selection of optimal methods for determining the strength of concrete when inspecting buildings and structures. Stroitel’nye Materialy [Construction Materials]. 2019. No. 1–2, pp. 60–63. DOI: https://doi.org/10.31659/0585-430X-2019-767-1-2-60-63 (In Russian).