This study restated proper relations among these three stresses at any locations in porous medium, and called the corresponding mathematical expressions the stress-based equations of porous medium.
基于对多孔介质双重有效应力的研究，重申了多孔介质中任一点处，上述三种应力之间的正确关系，并把相应的数学表达称为多孔介质的应力关系方程。
This paper emphasizes the interaction of plate local buckling, the calculation of section distortional buckling stresses and the interaction of three buckling modes.
本文着重介绍板件的相关屈曲和计算截面畸变屈曲应力的方法并阐述了三种屈曲模式之间的相关关系。
In order to study the pressure features and deformation features of soil under three different major stresses, complicated truly triaxial test are needed.
为了研究三个主应力不同情况下的土体强度和变形特性，需要进行复杂的真三轴试验研究，本文主要研究内容如下。
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