某大面积填土边缘设置4.8m高、墙背直立的毛石混凝土挡墙,挡墙底部采用钢筋混凝土扩展基础,如题图所示。挡墙边坡周围地表和内部排水系统运行良好,不会出现积水,地下
A <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071303_0_1.png">10@200 B
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071303_0_2.png">12@200 C
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071303_0_3.png">14@200 D
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071303_0_4.png">18@200