题目内容

{{HTML}}有一码头的挡土墙，墙高5 m，墙背垂直光滑，墙后为冲填的松砂，填土表面水平，地下水位与墙顶齐平，已知：砂的孔隙比为0.9，饱和重度γsat=18.7 kN/m3，内摩擦角ψ=30°，强震使饱和松砂完全液化，震后松砂沉积变密实，孔隙比e=0.65，内摩擦角ψ=35°，震后墙后水位不变，墙后每延米上的主动土压力和水压力之和是（）

A. (A) 68 kN
B. (B) 120 kN
C. (C) 150 kN
D. (D) 160 kN

查看答案

搜索结果不匹配？点我反馈

更多问题

No one can well understand this book ____________ he knows the cultural background.

A. if
B. when
C. unless
D. although

呼吸衰竭患者血气分析结果：PH 7.188， PACO2 75mmHg，PaO2 50mmHg，HCO3- 27.6mmol/ 1，BE-5mmol/1，据此结果诊断该患者酸碱失衡类型是

A. 呼吸性酸中毒合并代谢性酸中毒
B. 呼吸性酸中毒合并代谢性碱中毒
C. 代谢性碱中毒
D. 代谢性酸中毒
E. 呼吸性酸中毒

It was very kind _____________ to say such nice things to get her out of the embarrassing situation.

A. of him
B. for him
C. with him
D. to him

____________the station earlier, you would not have missed the train.

A. If you reach
B. If you reached
C. If you have reached
D. If you had reached