... shearing plane ==> 剪断面 shearing pressure ==> 剪压力 shearing principle ==> 切变原理 ...
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研究表明：放顶煤开采、提高支架工作阻力可以减缓煤壁压力，煤体合理注水可以提高煤体黏聚力与抗剪强度，它们是防治极软煤层煤壁片帮的有效措施。
The following research results are obtained: the top coal caving technique and increasing the resistance of the support can reduce the pressure on the coal wall.
分析了剪胀和软化程度对球孔扩张时的应力、位移、塑性区半径及极限扩张压力等方面的影响，并将大、小应变理论的结果进行了比较。
The influence of softening extent on stress, displacement and the radius of plastic zone during expansion as well as the extreme expansion pressure are studied.
通过动扭剪试验研究饱和粉煤灰的动孔隙水压力特性、动强度特性以及振陷变形特性。
Some behaviors of saturated flyash such as pore water pressure, dynamic strength, and dynamic deformation are studied by the dynamic torsional shear test.
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