This paper briefly introduces the circularsteelsupport, which was extensively used as inner support system of deep pits in Huangsha testing section of Guangzhou Metro and the whole project.
Steelcircular columns and eucalytus glulam beams support the polyurethane filled metallic roofing.
圆形钢柱和桉树胶合板梁支撑聚亚安酯材料的金属屋顶。
3
It is found that the critical local buckling stress and diameter to thickness ratio of circularsteel tube are considerably increased by the support of filled concrete.