| Issue |
MATEC Web Conf.
Volume 216, 2018
X International Scientific and Technical Conference “Polytransport Systems”
|
|
|---|---|---|
| Article Number | 01005 | |
| Number of page(s) | 6 | |
| Section | Infrastructure Projects and Transport Infrastructure Facilities | |
| DOI | https://doi.org/10.1051/matecconf/201821601005 | |
| Published online | 17 October 2018 | |
Durability of operated reinforced concrete superstructures of railroad bridges
Siberian Transport University, 630049 Novosibirsk, Russia
* Corresponding author: esv@sgups.net
The paper describes method to evaluate residual service life of reinforced concrete structures of railroad bridges, enabling to consider the presence of defects, operation history, and climatic factor to calculate probabilities of the structural state at any given moment of time. The model based on semi-Markov process was used to predict the state and calculate reliability indicators of structures and their elements. The data sources for reliability models are results of observations of the structural state, mathematical models of occurrence and development of defects. The example of determining residual service life of reinforced concrete superstructure is given based on the mathematical model of working reinforcement corrosion development.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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