富水区隧道渗流场解析解及合理支护参数 |
赵建平,李建武,毕林,程贝贝 |
Analytical solution of seepage field and reasonable support parameters of tunnel in water rich area |
Jian-ping ZHAO,Jian-wu LI,Lin Bi,Bei-bei CHENG |
图 3 焦点为z1、z2的双极坐标系 |
Fig.3 Bipolar coordinate system with focusz1 and z2 |
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