The shape of effective stress path is similar under the same stress path testing, the S' shape of effective stress path was observed in conventional triaxial compression test.
相同应力路径试验得到的有效应力路径形态一致，常规三轴压缩试验中有效应力路径呈S形。
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。
Secondly, triaxial tests of saturated sands are made using GDS stress path triaxial testing system in this paper.
运用GDS应力路径三轴测试系统进行了饱和砂土的三轴试验。
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