AbstractAbout the AuthorReferences
Concretes are multi-component systems where elements of the internal structure are formed. These elements (clusters) are situated along and across the direction of action of a destructive force and to solve the statistical task they are represented in the form of structures according to both schemes of «a chain» and «a rope». The article present the formulas for assessing the average value of strength and average square deviation of the strength value for structural elements as well as statistical values defining properties of a large massif (volume) of a sample or structure. Formulas for defining the strength and coefficient of strength variation for any complex system which are various combinations of the «chain» and «rope» schemes at any general distribution of the strength of elements as random values have been obtained. Check of theoretical hypotheses was carried out by experimental results.
B.V. GUSEV1, Doctor of Sciences (Engineering), Academician of Russian Academy of Engineering, Corresponding Member of Russian Academy of Sciences,
A.I. ZVEZDOV2, Doctor of Sciences (Engineering), Academician of Russian Academy of Engineering, (This email address is being protected from spambots. You need JavaScript enabled to view it.)
A.I. ZVEZDOV2, Doctor of Sciences (Engineering), Academician of Russian Academy of Engineering, (This email address is being protected from spambots. You need JavaScript enabled to view it.)
1 Russian University of Transport (MIIT) (9, bldg. 9. Obrazcova Street, 127994, Moscow, Russian Federation)
2 JSC Research Center of Construction (6, 2nd Institutskaya Street, 109428, Moscow, Russian Federation)
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2. Kapriyelov S.S., Sheynfeld A.V., Kardumyan G.S. Novye modifitsirovannye betony [The new modified concrete]. Moscow: Tipografiya «Paradiz». 2010. 238 p.
3. Gusev B.V., Ying Iyen-liang S., Kuznetsova T.V. Sementy i betony – tendentsii razvitiya [Cements and concrete – development tendencies]. Moscow: Nauchnyi mir, 2012. 136 p.
4. Yakovlev G.I., Fedorova G.D., Polyanskikh I.S. Highstrength concrete with disperse additives. Promyshlennoe i grazhdanskoe stroitel’stvo. 2017. No. 2, pp. 35–42. (In Russian).
5. Kalashnikov V.I. Evolution of development of structures and change of durability of concrete. Concrete of the present and future. P. 1. Change of structures and durability of concrete. Stroitel’nye Materialy [Construction Materials]. 2016. No. 1–2, pp. 97–103. (In Russian).
6. Falikman V.R. Nanomaterialy and nanotechnologies in modern concrete. Promyshlennoe i grazhdanskoe stroitel’stvo. 2013. No. 1, pp. 31–34. (In Russian).
7. Gusev B.V. Perspective technologies by production of precast concrete [Perspektivnye tekhnologii pri proizvodstve sbornogo zhelezobetona]. Izhevsk. 2015. 205 p.
8. Gusev B.V., Fayvusovich A.S. Forecasting of durability of concrete when leaching [Prognozirovanie dolgovechnosti betona pri vyshchelachivanii]. Moscow: Nauchnyi mir, 2014. 109 p.
9. Gusev B.V., Fayvusovich A.S. Creation of an engineering technique of forecasting of degradation of reinforced concrete designs in the conditions of atmospheric corrosion. Promyshlennoe i grazhdanskoe stroitel’stvo. 2017. No. 10, pp. 28–38. (In Russian).
10. Struktura, prochnost’ i deformatsiya betonov. Pod red. A.E. Desova [Structure, durability and deformation of concrete. Under the editorship of A.E. Desov]. Moscow: Stroyizdat. 1966. 231 p.
11. Sostav, struktura i svoistva tsementnykh betonov. Pod red. G.I. Gorchakova [Structure, structure and properties of cement concrete. Under the editorship of G.I. Gorchakov]. Moscow: Stroyizdat. 1976. 146 p.
12. Akhverdov I.N., Smolsky A.E., Skochelyas V.V. Modelirovanie napryazhennogo sostoyaniya betona i zhelezobetona [Modeling of stress of concrete and reinforced concrete]. Minsk: Nauka. 1973. 271 p.
13. Kuznetsova T.V., Kudryashev I.V., Timashev V.V. Fizicheskaya khimiya vyazhushchikh materialov [Physical chemistry of the knitting materials]. Moscow: Vysshaya shkola. 1989. 384 p.
14. Bolotin V.V. Primenenie metodov teorii veroyatnostei i teorii nadezhnosti v raschetakh sooruzhenii [ Application of methods of probability theory and the theory of reliability in calculations of constructions]. Moscow: Stroyizdat. 1971. 252 p.
15. Wolves L.I., Rudakov V.B. Statisticheskii kontrol’ ierarkhicheskikh system [Statistical control of hierarchical systems]. Moscow: SIP RIA. 2002. 355 p.
16. Bolshev L.N., Smirnov N.V. Tablitsy matematicheskoi statistiki [Tables of mathematical statistics]. Moscow: Nauka. 1983. 415 p.
For citation: Gusev B.V., Zvezdov A.I. Theoretical and experimental studies of statistical issues of concrete strength. Stroitel’nye Materialy [Construction Materials]. 2017. No. 11, pp. 18–21. DOI: https://doi.org/10.31659/0585-430X-2017-754-11-18-21. (In Russian).