Published: 2020-03-31

Study of the temperature field and the thermo-elastic state of the multilayer soil-steel structure

Vitalii Kovalchuk , Yuriy Hnativ , Joseph Luchko , Mykola Sysyn

Abstract

The technology of renewal of metal corrugated structures allows efficient and economical reconstruction of existing reinforced concrete structures by the method of encapsulation. However, such structures can be exposed to adverse temperature effects that in combination with traffic loadings could influence the operational reliability of the structures. This article deals with the method of evaluation of the stress-strain state of a three-layer cylindrical structure. The technique is based on the thermo-elasticity theory. The study is performed in two steps: determining the temperature field of a structure, and then calculating the temperature stresses and deformations. As a result of calculations, it was established that the level of temperature field and stresses in a three-layer structure caused by the maximum and minimum ambient temperatures can reach a significant level.

Keywords:

ambient temperature, defective transport structure, temperature field, three-layer cylindrical structure, stress-strain state.

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Kovalchuk, V., Hnativ, Y., Luchko, J., & Sysyn, M. (2020). Study of the temperature field and the thermo-elastic state of the multilayer soil-steel structure. Roads and Bridges - Drogi I Mosty, 19(1), 65–78. https://doi.org/10.7409/rabdim.020.004

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