Effect of experimental parameters on small fatigue crack growth threshold test in 9310 steel was investigated.
针对9310钢研究了试验参数对疲劳小裂纹门槛值测试结果的影响。
The effect on seepage is small when the opening of cutoff wall crack is less than0.3cm themaximum relative water head at the bottom of lower core wall is only2.02%.
防渗墙出现裂缝开度小于0。 3cm时，对渗流场的影响不大，防渗墙下游心墙底部最大相对水头值仅为2。 02%；
In the case of sub-brittle fracture, at the crack tip there is a small plastic region of which effect should not be neglected.
在准脆性断裂情况下，裂纹顶端存在一个不能忽略其影响的小范围塑性区。
The plastic zone by the hole edge and its effect on the initiation and propagation of the small crack also were investigated.
对于这类小裂纹扩展机制的分析目前还比较少。
The plastic zone by the hole edge and its effect on the initiation and propagation of the small crack also were investigated.
对于这类小裂纹扩展机制的分析目前还比较少。
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