某筏形基础底面尺寸为10m×20m,底面压力为220kPa,基础底面下设300mm褥垫层,基础埋深2,0m,勘察资料如下:
A.12MPa B.18MPa C.21MPa D.25MPa
A.180 B.191 C.202 D.213
A.190.8kPa B.200kPa C.210kPa D.220kPa
A.1.06m/min B.1.16m/min C.1.26m/min D.1.36m/min