Theoretical foundations for calculating bridges for endurance using the kinetic theory of durability of structural materials

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The economically effective method for determining the unknown parameters of the dependence of the durability of structural materials on the level of acting constant stresses in them and their absolute temperature for various structural materials is proposed, taking into account the data established by Academician of the USSR Academy of Sciences S.N. Zhurkov. It does not require long-term testing of materials, but is based on the use of the results of short-term standard machine failure of two groups of standard samples of materials at two significantly different temperatures. When using these parameters and the Bailey integral criterion for summing up the losses in the durability of materials, it is possible to calculate the endurance of elements of road bridge structures from any structural materials and to determine the residual durability resource of the structure under the predicted subsequent mode of loading it with real temporary vertical loads.

About the authors

Pavel M. Salamakhin

Moscow Automobile and Road State Technical University

Author for correspondence.
SPIN-code: 2596-3649

leading researcher, member of the Russian Academy of Transport, Doctor of Technical Sciences, Professor

64 Leningradskii Prospekt, Moscow, 125319, Russian Federation

Evgeny A. Lugovtsev

Military Training and Research Center of Land Forces “Combined Arms Academy of the Armed Forces of the Russian Federation”

SPIN-code: 8843-6213

Doctoral Student of the Department of Roads, Bridges and Crossings, Ph.D., Associate Professor

4 Devich'ego Polya Proezd, Moscow, 119121, Russian Federation


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Copyright (c) 2021 Salamakhin P.M., Lugovtsev E.A.

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