佛山保利商务中心超高空天灯结构设计与研究

发布时间：2018-07-05 10:39

本文选题：佛山保利商务中心 + 超高空天灯　；参考：《建筑结构》2016年21期

【摘要】：佛山保利商务中心结构高度为250m,建筑顶部采用了中国传统习俗中漂浮的孔明灯造型。因此,如何实现顶部天灯通透轻盈的效果是结构设计的难点。天灯结构采用了空间钢框架-单层双向立体(四面)索网幕墙结构体系,沿天灯外轮廓设置了空间格构柱和钢桁架作为索网幕墙的支承。通过对拉索施加合理的预应力,保证其有足够的刚度承担平面外的风荷载和地震作用。为保证结构的安全性以及降低施工难度,钢结构节点采用设置加劲外环肋的加强方式且部分采用铸钢节点,并对特殊节点进行了有限元分析,分析结果表明此加强方式安全可行。
[Abstract]:Foshan Poly Business Center is 250 m in height. The top of the building is made up of floating Kongming lanterns from traditional Chinese customs. Therefore, how to achieve the top sky light effect is a difficult point in structural design. The space steel frame-monolayer bidirectional cable-net curtain wall system is adopted in the skylight structure, and the spatial lattice column and steel truss are arranged along the outer outline of the skylight to support the cable-net curtain wall. By applying reasonable prestress to the cable, it is guaranteed that it has enough stiffness to bear the wind load and earthquake action outside the plane. In order to ensure the safety of the structure and reduce the difficulty of construction, the steel structure joints are strengthened with stiffened outer ring ribbed and partly cast steel joints, and the special joints are analyzed by finite element method. The results show that this method is safe and feasible.
【作者单位】：广东省建筑设计研究院;
【分类号】：TU399

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