单项选择题
A.残积土 B.坡积土 C.洪积土 D.冲积土
A.γ=18.52kN/m3;γd=15.88kN/m3;Sr=72.5% B.γ=19.4kN/m3;γd=16.88kN/m3;Sr=67.5% C.γ=18.52kN/m3;γd=15.88kN/m3;Sr=67.5% D.γ=19.4kN/m3;γd=16.88kN/m3;Sr=72.5%
A.σ3=181.34kPa,σ1=669.15kPa,27.5° B.σ3=163.47kPa,σ1=578.23kPa,22.8° C.σ3=163.47kPa,σ1=578.23kPa,27.5° D.σ3=181.34kPa,σ1=669.15kPa,22.8°