邯郸市体育中心三万座体育场钢屋盖罩棚结构设计  

Structural design of thirty thousand-seat stadium steel roof canopy of Handan Sports Center

作　　者：卫东[1] 朱忠义[1] 周忠发[1] 李芊[1] 吴珀江 WEI Dong;ZHU Zhongyi;ZHOU Zhongfa;LI Qian;WU Pojiang(Beijing Institute of Architectural Design,Beijing 100045,China)

机构地区：[1]北京市建筑设计研究院有限公司,北京100045

出　　处：《建筑结构》2023年第18期93-97,共5页Building Structure

摘　　要：邯郸市体育中心三万座体育场平面投影尺寸约为240m×260m,屋盖结构最大悬挑37.6m,接近超限大跨的40m限值要求,受力复杂。屋盖采用悬挑倒三角形立体钢桁架结构,内圈混凝土柱和外圈V形钢柱形成混合支承结构,为罩棚结构提供竖向承载和水平抗侧能力。竖向荷载为大悬挑结构的控制工况,同时风荷载和温度效应显著,且需考虑竖向地震作用。为保证屋盖下部混合抗侧结构的抗震安全性,进行了抗震性能化设计,并进行了大震弹塑性性能分析验证。同时为避免局部杆件失效引起屋盖连续性倒塌,采用拆除构件法进行了防连续倒塌分析。通过系列分析论证,保证了大悬挑屋盖结构的受力安全。The plane projection size of Handan Sports Center thirty thousand-seat stadium is about 240m×260m,and the maximum cantilever of the roof structure is 37.6m,which is close to the limit of 40m for out-of-code and large span,and the force is complex.The roof adopts a cantilevered inverted triangular three-dimensional steel truss structure,and the hybrid support structure formed by the inner ring of concrete columns and the outer ring of V-shaped columns provides the roof with vertical bearing and horizontal side resistance.The vertical load is the control condition of the large cantilever structure.At the same time,the wind load and temperature effect are significant,and the vertical earthquake action needs to be considered.In order to ensure the seismic safety of the hybrid anti-side structure under the roof,the seismic performance design was carried out,and the elasto-plastic performance analysis for large earthquakes was verified.At the same time,in order to avoid the continuous collapse of the roof caused by the failure of local members,the demolition method was used to carry out the analysis and research of anti-continuous collapse.Through a series of analysis and demonstration,the force safety of the large cantilevered roof structure is guaranteed.

关 键 词：邯郸市体育中心 罩棚结构 悬挑立体桁架结构 混合抗侧结构 弹塑性分析 抗连续倒塌 

分 类 号：TU318[建筑科学—结构工程]