A.5 B.6 C.7 D.8
A.頂板應(yīng)采用梁板式樓蓋 B.頂板板厚不應(yīng)小于180mm C.頂板混凝土強度等級不宜小于C35 D.頂板樓面應(yīng)采用雙層雙向配筋,且每層每個方向的配筋率不宜小于0.25%
A.0.94 B.0.95 C.0.96 D.0.97