南通体育场开合式钢屋盖结构整体稳定分析研究

2006年建成并运营的江苏省南通市体育会展中心主体育场是我国第一个应用于大跨公共建筑的开合式结构。对该结构的设计研究表明,开合式结构稳定性分析应考虑活动屋盖处于不同位置时几何状态与荷载分布的变化,且应准确模拟活动部分和固定部分之间的约束条件。数值分析表明,在设计荷载作用下,南通体育场开合式结构具有足够的整体稳定性。

Global Stability Analysis of Retractable Steel Roof in Nantong Stadium

Founded in 2006,Nantong Stadium of Sport Exhibition Center in Jiangsu Province is the first retractable structure as a large-span public building in China.In the design process,the global stability was studied.The research indicates the necessity to consider the different geometrical status and loading distribution with the movement of retractable roof in stability analysis.It is important to simulate the restraint condition of devices and linkages between retractable roof and its fixed supporting structures.The numerical analysis shows that the retractable steel roof and its supporting structures in Nantong Stadium possess full resistance against the instability risk.