A.11.9N/m2
B.14.3N/m2
C.16.7N/m2
D.19.1N/m2
A.11.9N/m2
B.14.3N/m2
C.16.7N/m2
D.19.1N/m2
A.144.25mm
B.149.56mm
C.152.45mm
D.158.63mm
A.270N/m2
B.300N/m2
C.360N/m2
D.400N/m2
A.2346mm2
B.2467mm2
C.2595mm2
D.2622mm2
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705384180856563.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705384180915885.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705384180943861.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705384180960409.png">
A.3058mm2
B.3149mm2
C.3272mm2
D.3364mm2
A.0.01
B.0.002
C.0.0025
D.0.0033
A.构件中截面上的应力越大,徐变越大
B.构件承载前强度越高,徐变越大
C.混凝土构件水灰比越大,徐变越大
D.混凝土骨料的级配越好,徐变越小
E.构件在施工中振捣越密实,徐变越大
A.梁、柱等一维构件的轴线宜取截面几何中心的连线
B.墙、板等二维构件的中轴面宜取为截面中心线组成的平面或曲面
C.现浇结构和装配整体式结构的梁柱节点、柱与基础连接处可作为刚接
D.非整体浇筑的次梁两端及板跨两端可近似为铰接
E.梁、柱等杆件的计算跨度或计算高度可按其两端支承长度的中心距确定