When a high level isotropic stress field is disturbed by a drilled hole, a relation of relieved strain vs. residual stress is derived by the basic equations of elastoplastic theory.
本文根据弹塑性理论基本方程，导出了高水平均匀残余应力场由于钻孔引起的松弛应变与残余应力的关系公式。
A new method is presented to measure the in-situ stresses and disturbed stress field.
本文采用一种新方法测量软弱岩体中的初始应力和扰动应力场。
Around the propagating fault segment the disturbed stress field of maximum shear stress displays an eight petal pattern and that of mean stress displays a four quadrant pattern.
围绕断层扩展部位剪应力增量场呈八瓣式分布，平均应力增量场呈四象限分布。
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