考虑地基变形连续的基坑开挖诱发邻近盾构隧道位移预测

应宏伟,程康,俞建霖,徐日庆,裘志坚,詹晓波,秦建设,楼春晖

Prediction of shield tunnel displacement due to adjacent basement excavation considering continuous deformation of ground

Hong-wei YING,Kang CHNEG,Jian-lin YU,Ri-qing XU,Zhi-jian QIU,Xiao-bo ZHAN,Jian-she QIN,Chun-hui LOU

表 2 土层物理力学参数

Tab.2 Physical and mechanics parameters of soil

土层 $E_{50}^{{\rm{ref}}}/{\rm{MPa} }$ $E_{{\rm{oed}}}^{{\rm{ref}}}\;/{\rm{MPa} }$ $E_{ {\rm{ur} } }^{{\rm{ref}}}/{\rm{MPa} }$ $G_0^{{\rm{ref}}}/{\rm{MPa} }$ γ0.7 Rf c′ /kPa φ′ /(°) D0 /m 黏土 4 4 12 36 0.0001 0.9 6 20 50