莫尔-库仑理论
各向同性
各向异性
横观各向同性
岩土工程
主应力
压力(语言学)
土壤水分
平面应力
几何学
数学
机械
结构工程
地质学
剪应力
工程类
物理
有限元法
土壤科学
量子力学
语言学
哲学
作者
Wallace Hayward Baker,Raymond J. Krizek
出处
期刊:Journal of the Soil Mechanics and Foundations Division
[American Society of Civil Engineers]
日期:1970-01-01
卷期号:96 (1): 269-292
被引量:7
标识
DOI:10.1061/jsfeaq.0001387
摘要
A general adaptation of the Mohr-Coulomb strength criterion is developed to include all probable variations for the effective stress strength parameters anticipated for normally and lightly overconsolidated transversely isotropic cohesive soils. The orientation of the failure plane is shown to depend on both the magnitude of the minor principal stress and the orientation of the principal stresses, and an important relationship is establishied between principal stress strengths and failure plane strengths. The mathematical formulation is based on a cylindrical coordinate reference system, which, from a conceptual point of view, is found to be more useful than the conventional Mohr-Coulomb diagram when dealing with anisotropic soils. The derived strength equation represents a closed mathematical solution for the shear resistance along a particular plane, and the analytical results of this study provide a rational basis for interpreting the effective stress strength anisotropy found in many natural and compacted soils. In addition, certain physical implications are considered with relation to strength testing of soils, and several numerical examples are given.
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