采用应力释放法模拟盾构法隧道开挖时，合理地确定生成衬砌前的应力释放系数是至关重要的，它对地表变形以及衬砌内力的影响非常明显。
When the method of stress releasing is adopted to model shield-driven, it is very important to determine the coefficient of stress releasing before lining is built.
针对纤维增强复合材料的属性特点，应用坐标系转换原理推导出通孔法测量复合材料残余应力时的应力释放系数公式。
The relieved coefficients during the measurement of the residual stresses in the fiber reinforced composites by the hole drilling method were given with conversion of the two coordinate systems.
本文基于小孔释放法测量残余应力的方法，通过实验研究了交变载荷对焊接残余应力场产生的影响。
Based on the blind-hole method, series of experiments are carried out to analyze the effect of alternate loading to the redistribution of residual stress.
针对钻孔法测量残余应力方法中变形测量存在的误差，提出用光栅应变花测量钻孔所释放的残余应变。
For eliminating the errors in deformation measuring and improving the accuracy in hole-drilling method, this paper presented an optical technique, grating rosette and moire interferometry.
介绍了小孔释放法测量残余应力的原理，给出释放应变与残余应力之间的关系公式。
The theory on the measurement of the residual stresses by the hole drilling method was introduced, and the relationship between the relieved strains and the residual stresses was given.
围岩开挖应力的释放用场变量相关折减弹性摸量法模拟。
Stress relaxation in surrounding rock due to excavation is simulated by field-dependant deduct elastic modulus method.
采用有限元分析法对不同固定方式下镜面热变形进行分析，结果表明：镜体释放热应力前后的法向角度偏差可达近3个数量级；在合理采用压板固定方式后，镜面法向偏转角度在10?。
Applying finite element method to analyze shows that normal angle deviation of mirror body before and after thermal tension being released can be nearly 3 order magnitude which is 10?
采用有限元分析法对不同固定方式下镜面热变形进行分析，结果表明：镜体释放热应力前后的法向角度偏差可达近3个数量级；在合理采用压板固定方式后，镜面法向偏转角度在10?。
Applying finite element method to analyze shows that normal angle deviation of mirror body before and after thermal tension being released can be nearly 3 order magnitude which is 10?
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