Roof purline is adopted with cold-bending and thin-wall steel (Q345), knee bracing, roof horizontal bracing and purline drawn rod Q235.
本工程屋面檩条采用高冷弯薄壁型钢材质Q345，隅撑，屋面水平支撑，檩条拉条材质均为Q235。
2
To stabilize the floating roof over the gymnasium and to maximize the effect of the clerestory windows, steel columns were specially designed to provide more lateral bracing than usual.