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杭州奥体博览城网球中心采用环状花瓣造型的开合屋盖,其下部采用钢筋混凝土框架-剪力墙结构支承。开合屋盖由固定屋盖和移动屋盖组成:固定屋盖罩棚外边缘直径约133 m,悬挑长度约26 m,场地中心罩棚圆形开口直径约60 m;固定屋盖上方设置的8片大悬挑花瓣形移动屋盖,采用平面旋转45°开启方式;每片移动屋盖设置一个固定转轴及三条同心旋转轨道,单片移动屋盖径向长45 m,最大宽度25 m,闭合状态向圆心悬挑30 m。该工程钢结构移动屋盖设计的关键技术难点及相应的专项研究分析主要包括移动屋盖的轮轨布置原则,模拟设备的实际工作状态的计算假定,主动轮增加侧向滚轮约束,以及重力荷载和地震作用下与移动屋盖有关的主要计算结果等。对钢结构移动屋盖设计中遇到的问题提出了处理方法,可为类似工程设计提供参考。
Hangzhou Olympic sports center tennis center with a circular petal shape of the opening and closing roof, the lower part of the reinforced concrete frame - shear wall structure support. The opening and closing roof consists of a fixed roof and a movable roof: the outer edge of the roof of the fixed roof is about 133 m in diameter and the length of the cantilever is about 26 m; the diameter of the circular opening of the center roof of the site is about 60 m; Large cantilevered petal-shaped mobile roof, using 45 ° open plane rotation; Each mobile roof is provided with a fixed shaft and three concentric rotary tracks, single mobile roof radial length 45 m, the maximum width of 25 m, closed State cantilever to the center 30 m. The key technical difficulties and the corresponding special research and analysis of the movable roof design of the steel structure include the principle of the wheel and rail of the movable roof, the calculation assumption of the actual working state of the simulated equipment, the increase of the lateral wheel constraint of the driving wheel and the gravity load And the earthquake under the action of moving the roof of the main calculation results. The solution to the problems encountered in the design of mobile roof structures for steel structures is provided for the reference of similar engineering design.