水工圆形隧洞围岩衬砌摩擦滑动接触的新解法 1)
尹崇林,吕爱钟

A NEW SOLUTION FOR FRICTIONAL SLIP CONTACT BETWEEN SURROUNDING ROCK AND LINING IN A HYDRAULIC CIRCULAR TUNNEL 1)
Yin Chonglin,Lü Aizhong
表 3 改变位移释放系数$\eta $ 时不同侧压力系数$\lambda $所确定的阈值$f_r^t $
Table 3 Values of $f_r^t $ for various $\eta $ and $\lambda $