某普通钢筋混凝土柱,安全等级二级,设计、施工均满足国标要求。经现场检测,原柱截面尺寸为300mm×300mm,混凝土强度等级为C30(fc0=14.3N/mm2
A 8<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071260_0_4.png">12 B
8<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071260_0_5.png">14 C
8<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071260_0_6.png">16 D
8<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24071260_0_7.png">18