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【单选题】
某柱下方形基础边长 2m ,埋深 d = 1.5m ,柱传给基础的竖向力 F = 800kN ,地下水位在地表下 0.5m 处,试问基底压力为多少 ?( )
A.
. 220kPa
B.
. 230kPa
C.
. 200kPa
D.
. 215kPa
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