A.受力鋼筋φ10@120;分布鋼筋φ6@250 B.受力鋼筋φ8@100;分布鋼筋φ8@250 C.受力鋼筋φ12@170;分布鋼筋φ6@250 D.受力鋼筋φ14@120;分布鋼筋φ@250
A.e0為0.57m,e0<0.75ρ B.e0為0.72m,e0<0.75 C.e0為0.57m,0.75ρ0<ρ D.e0為0.72m,0.75ρ0<ρ
A.32.20m B.33.20m C.34.20m D.35.20m