Abstract
The resolving equations for determining the stress–strain state of a reinforced concrete element undergoing the action of a bending moment and a longitudinal force, taking into account the creep of concrete on the basis of a viscoelastic model, are obtained. These equations allow for a known value of internal forces to determine the stress–strain state in arbitrary sections of statically definable arches. Internal forces in the arches are calculated analytically, and a step-by-step calculation is used to determine the stresses. Also, the development of the finite element method for the case of viscoelasticity of concrete for a reinforced concrete element has been carried out. Comparison of the results obtained by means of numerical-analytical calculation and FEM is performed. The calculation by the finite difference method was carried out with the subsequent comparison of the results with the FEM.
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Yazyev, S., Andreev, V., Akhtyamova, L. (2022). The Stress–Strain State of Reinforced Concrete Arches with a View of Concrete Viscoelasticity. In: Akimov, P., Vatin, N. (eds) Proceedings of FORM 2021. Lecture Notes in Civil Engineering, vol 170. Springer, Cham. https://doi.org/10.1007/978-3-030-79983-0_42
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DOI: https://doi.org/10.1007/978-3-030-79983-0_42
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