单项选择题
某滑坡剖面图如图8-1所示,取滑坡推力安全系数γt=1.15,按照《建筑地基基础设计规范》(GB50007-2002),(计算参数见表8-1),试回答以下几个问题:
A.19608kN B.21470kN C.20183kN D.18106kN
A.2460mm B.2550mm C.90mm D.2640mm
A.2870mm B.2975mm C.105mm D.3080mm