福州海峡奥体中心体育场罩棚钢网架施工关键技术

Key Construction of the Steel Space Truss Awning of Fuzhou Olympic Sports Center Stadium

福州海峡奥体中心体育场罩棚结构采用了新型的结构形式——空间三维弯扭桁架结构。对福州海峡奥体中心体育场罩棚施工的关键技术进行了研究,主要内容包括三维弯扭桁架的安装、铸钢节点的空间定位、支撑转换系统、卸载方法等。通过本文的研究分析将形成一套三维弯扭桁架结构体系的施工关键技术,钢结构体系适用于体育场大跨度悬挑罩棚及其他公共建筑。

The awning of Fuzhou Olympic Sports Center Stadium adopts a kind of new structure form of space bending？torsion steel truss structure. In this paper, the key technology of prestressed construction of Fuzhou Olympic Sports Center Stadium roof is studied, and the main content includes the installation of space bending？torsion truss, spatial orientation of cast steel joints, unloading method etc. Through the research and analysis, it will form a set of structure system and construction key technology. This structure is suitable for large span awning and other public buildings.