既有单桩在邻近基坑开挖下的水平向响应简化分析

程康,徐日庆,林存刚,段诺,冯苏阳,梁荣柱

Simplified analysis method for evaluating horizontal deformation of single pile due to adjacent foundation pit excavation

Kang CHENG,Ri-qing XU,Cun-gang LIN,Nuo DUAN,Su-yang FENG,Rong-zhu LIANG

表 1 土层的物理力学参数

Tab.1 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′/(°) t/m 粉质黏土 8 8 32 80 0.000 1 0.75 28 22 50