单项选择题
题44~49: 某房屋墙下条形基础底面宽度1.2m,基础埋置深度d=1.3m,基础埋深范围内土的重度γm=118.0kN/m3,持力层为粉土,重度为γ=17.0kN/m3,对粉土取6组试样,进行直剪实验,已求得每组试样的内摩擦角φi和ci具体数值见题表: 题44-49表
A.0.972 B.0.963 C.0.958 D.0.949
A.34.6kN/m2 B.43.6kN/m2 C.49.9kN/m2 D.52.4kN/m2
A.0.976 B.0.989 C.0.992 D.0.997