MATEC Web Conf.
Volume 117, 2017RSP 2017 – XXVI R-S-P Seminar 2017 Theoretical Foundation of Civil Engineering
|Number of page(s)||6|
|Published online||24 July 2017|
Stress relaxation of constructions elements
1 Moscow state university of civil engineering, Yaroslavskoye shosse, 26, Moscow, Russia, 129337
2 Keldysh Institute of Applied Mathematics, Miusskaya sq. 4, Moscow, 125047, Russia
* Corresponding author: email@example.com
A relaxation of stress in the elements of constructions is considered and an approach is proposed for solution of corresponding problems. It is notable that this approach is based on a modification Boltzmann’s principle superposition of fraction creep deformations. This modification reduces the noted problems to solution of linear relative to so-called structural stress integral equations. Next a desired stress is defined by solution of algebraic equations. It should be underline that a material (concrete, steel, graph) of elements a considered as a union of its fractions with statistical disturbed strengths. This ascending to Weibull conception  permits to modify Boltzmann’s principle superposition . As a result this principle is applicable when a dependence on deformations from the stresses is nonlinear [3-7].
© The Authors, published by EDP Sciences, 2017
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