Combining with major gym site construction example of Hangzhou Olympic Sports Centre,starting from three aspects of bracket pre-em-bedded,bracket and petal,the paper describes the installation technology points of steel structure with spatial special-shaped convex curved sur-face,and points out its advantages,such as large coverage area,high safety,and strong stability and so on. Therefore,it is worth promoting.%结合杭州奥体中心主体育场现场施工实例，从支座预埋件、支座、花瓣三方面，阐述了空间异型曲面钢结构安装技术要点，指出空间异型曲面钢结构具有覆盖面积大、安全性高、稳定性强等优点，应用前景广阔。
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