进而提出采用平行杆模型模拟洞室围岩，以西南某深埋隧洞为例，推出了岩爆应力强度比判据分界点的统计损伤意义。
The statistical damage mechanical essence of the stress-strength ratio criterion is discovered on the base of the data from a SW deep lying tunnel.
它们的结果表明：钝切口比尖锐切口的动态应力强度因子增长率更快。
Their results showed a more rapid rate of increase in the dynamic sif for blunt than for sharp notches.
试验结果表明高性能混凝土中添加0.5%（体积比）的钢纤维对极限粘结强度略有提高，峰值粘结应力对应的滑移有较大的增长；
The experimental results indicated that when 0.5%(volume fraction) steel fibers were added to HPC, the ultimate bond stress was improved and the corresponding slip was also increased.
应用推荐