黏岩复合地层中盾构掘进引起的超欠挖分析
齐永洁,蒋熠诚,周建,章伟康,张迪,魏纲

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 22 黏土开挖率随地层软硬比的变化
Fig.22 Variation of excavation rate with ratio of clay to hard rock