The research results can direct the detection of damage zone and support optimal design.
研究成果对损伤区的检测和支护优化设计具有指导意义。
The reference heights of casing shoes are proposed with the evolution process of damage zone.
根据流变过程中围岩损伤区的演化过程，给出了套管鞋高度的参考值。
The calculated results coincide with damage zone sizes estimated by means of WEK fracture model.
其结果与WEK断裂模型所估计的损伤区尺寸颇为一致。
The damage zone distribution is described by PFC. The local damage and damage extent are also analyzed by PFC.
最后利用PFC描述了损伤区的分布，分析了损伤局部化特征和损伤程度的变化。
The induced stress of initial damage zone results in the redistribution of surrounding rock stress when the micro-crack closes after hydraulic fracture.
水力压裂后，当微裂缝闭合时初始损伤带的诱导应力导致围岩应力重新分布。
When the tunnel is excavated, the surrounding rock will be damaged and the damage zone will be formed around the profile where the acoustic velocity will weaken.
隧洞开挖以后围岩会出现损伤，并在洞周形成开挖损伤区，在损伤区范围内声波波速会出现衰减。
High seepage pressure lead to damage zone growth in unfavorable fault zone and even transfixion may be the important reasons which result in bank slope instability.
高渗透压诱发岸坡不利断层带损伤区扩展，甚至贯通可能是导致岸坡失稳的重要原因。
The strain fields in damage zone around crack-tip are measured for different strain hardening exponent material specimens with double edge cracks using digital speckle correlation technique.
为了研究粘性效应作用下的扩展裂纹尖端场，假设扩展裂纹尖端的人工粘性系数与塑性应变率的幂次成反比，推导出理想弹塑性材料的一种率敏感型本构关系。
The strain fields in damage zone around crack-tip are measured for different strain hardening exponent material specimens with double edge cracks using digital speckle correlation technique.
为了研究粘性效应作用下的扩展裂纹尖端场，假设扩展裂纹尖端的人工粘性系数与塑性应变率的幂次成反比，推导出理想弹塑性材料的一种率敏感型本构关系。
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