| Issue |
MATEC Web Conf.
Volume 212, 2018
2018 International Scientific Conference “Investment, Construction, Real Estate: New Technologies and Special-Purpose Development Priorities” (ICRE 2018)
|
|
|---|---|---|
| Article Number | 01026 | |
| Number of page(s) | 6 | |
| Section | New materials, Structures and Technologies for Construction in Specific Conditions of Siberia and the Far East | |
| DOI | https://doi.org/10.1051/matecconf/201821201026 | |
| Published online | 15 October 2018 | |
Probabilistic analysis of the strength and reliability of reinforced concrete structures under low-temperature impact
1 Irkutsk National Research Technical University, 664074, Lermontova str., 83, Irkutsk, Russia
2 Irkutsk State University of Communications, 664074, Chernyshevsky str., 15, Irkutsk, Russia
* Corresponding author: pinus@istu.edu
The paper presents the results of numerical modeling of the kinetics of strength and reliability of bent reinforced concrete elements in the process of cyclic low-temperature and humidity effects of various levels. In this case, the calculated strength model is adopted in accordance with the normative functional dependencies, taking into account the random nature of the implementation of the input parameters, while the reliability model is in the form of a safety factor determined by the statistical parameters of their distributions. The latter are taken on the basis of representative empirical data of changes in the strength and deformation of concrete and reinforcement (in concrete) at certain stages of depletion of the standard resource of frost resistance. Substantial differences are established in the change in the strength and reliability parameters for the FTC and the determining effect of the reinforcement level on their kinetics.
© The Authors, published by EDP Sciences, 2018
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