Calculation of shear stresses in the soil of the subgrade using empirical plasticity conditions

被引：1

作者：

Aleksandrov, A. ^{[1
]}

Dolgih, G. ^{[1
]}

Kalinin, A. ^{[1
]}

机构：

[1] Siberian State Automobile & Highway Univ, Dept SED, Mira Ave 5, Omsk 644080, Russia

来源：

INTERNATIONAL SCIENTIFIC CONFERENCE ENERGY MANAGEMENT OF MUNICIPAL FACILITIES AND SUSTAINABLE ENERGY TECHNOLOGIES | 2020年 / 1614卷

关键词：

FAILURE; DILATANCY; STRENGTH;

D O I：

10.1088/1742-6596/1614/1/012016

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The aim of the work is to replace the criterion of the original Mohr - Coulomb criterion with an empirical plasticity condition in which the limit state arises at deformation.lim<15 %. As a result of the analysis of experimental data on testing soils by triaxial compression, an empirical plasticity criterion is obtained. The limiting state by the empirical criterion occurs when the sample is deformed by 10-12%. The shear stresses calculated by this plasticity condition exceed the shear stresses calculated by the Mohr - Coulomb criterion. Therefore, the application of the proposed criterion in the calculation of pavement by shear resistance in the soil of the subgrade requires an increase in the thickness of the structural layers, compared with the traditional calculation, which is based on Mohr - Coulomb.

引用

页数：11

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