题目:
某挡土墙,高6m,墙背直立、光滑,填土面水平。填土的物理力学性质指标为:c=0,=34°,γ=19kN/m3。填土表面有q=10kPa的均布荷载。则作用在挡土墙上的主动土压力及其作用点位置为()。
A.113.8kN/m,2.15m
B.113.8kN/m,3.13m
C.97.6kN/m,2.15m
D.97.6kN/m,3.13m
答案:
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