黏岩复合地层中盾构掘进引起的超欠挖分析
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Analysis of overexcavation and underexcavation caused by shield tunneling in clay and rock composite stratum
Yongjie QI,Yicheng JIANG,Jian ZHOU,Weikang ZHANG,Di ZHANG,Gang WEI
图 4 加载前后膜颗粒应力矢量图
Fig.4 Stress vector diagram of membrane particles before and after loading