An apparent or pseudo change in the sign occurs when a stress trajectory passes through an isotropic point.
当一个主应力迹线通过一个各向同性点时，该符号会发生一个表面上的或虚假的改变。
The pseudo-triaxial compression tests and confining pressure reduction tests were carried out for coal specimen strengths in different stress on servo-controlled testing machine.
基于在伺服试验机对煤样的常规三轴压缩和三轴卸围压试验，分析了煤样在不同应力条件下的强度和变形特征。
Under this framework, the stress-strain relations are derived from a pseudo-elastic strain-energy density.
在这一理论框架下，增量的应力应变关系可以从所构造的能量函数中推导出来。
Some researches are shown that the problem of interaction between long stress wave and tunnel structures can be solved by pseudo-static method.
研究表明长波与深地下硐室的作用问题可以用拟静法解答。
Some researches are shown that the problem of interaction between long stress wave and tunnel structures can be solved by pseudo-static method.
研究表明长波与深地下硐室的作用问题可以用拟静法解答。
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