某4层钢结构商业建筑,层高5m,房屋高度20m,抗震设防烈度8度,采用框架结构,布置如图所示。框架梁柱采用Q345。框架梁截面采用轧制型钢H600×200×11
A <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24131041_0_2.png"> B
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24131041_0_3.png"> C
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24131041_0_4.png"> D
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24131041_0_5.png">