Towards predicting dynamic reliability of bridge spans
https://doi.org/10.31675/1607-1859-2022-24-6-170-181
Abstract
In conditions of increasing impact of temporary live load, a premature wear of bridge superstructures occurs, operational strength and durability decrease. The paper discusses the dynamic reliability of the load-bearing elements of superstructures within the frame of ensuring the structure safety during operation, with regard to defects and overloads. Reliability is considered within the framework of random events and processes based on the possible superstructure exit beyond its serviceability based on the statistical dynamic properties. The parametric and structural reliability is considered. Based on the mathematical statistics and random numbers theories, the dynamic reliability theory is characterized by the quality deployed in time. The effect of load variation for a long time is considered. The possibility is predicted for changing resources and structure failure. The dynamic reliability conditions are approximated based on the Gauss and Weibull distribution curves. Mathematical expressions are given to the structure indestructibility. The superstructure failure is considered with respect to possible overload using the principle of accidental release.
About the Authors
V. M. Kartopoltsev
OOO “DIAMOS”
Russian Federation
Russian Federation
Vladimir M. Kartopoltsev, DSc, Professor
24/1, Solyanoy Str., 634003, Tomsk
A. V. Kartopoltsev
OOO “DIAMOS”
Russian Federation
Russian Federation
Audrey V. Kartopoltsev, PhD, A/Professor
24/1, Solyanoy Str., 634003, Tomsk
A. A. Alekseev
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
Аleksandr А. Alekseev, PhD, A/Professor
2, Solyanaya Sq., 634003, Tomsk
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Review
For citations:
Kartopoltsev V.M., Kartopoltsev A.V., Alekseev A.A. Towards predicting dynamic reliability of bridge spans. Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture. 2022;24(6):170-181. (In Russ.) https://doi.org/10.31675/1607-1859-2022-24-6-170-181
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