Flexible Support Hoisting Technology of Radial Beams for Steel Roof
About the author:
1. China Construction Fourth Engineering Division Co., Ltd.,Guangzhou, Guangdong 510630,China;2. Guangzhou New Central Axis Construction Co. ,Ltd. ,Guangzhou, Guangdong 510623,China
Abstract:
The spoke-type cable-supported grid structure has significant advantages in the construction oflarge-span stadiums and gymnasiums, but its construction process faces complex technical challenges.The key technical difficulties of the construction technology of first cable and then steel are studied, andthe stability of the upper steel structure installation under the condition of flexible cable net support isanalyzed, especially the lateral stability control of the first radial beam hoisting stage. Based on the actualengineering requirements, the finite element numerical simulation method is used to analyze the structuralresponse of the steel beam during the hoisting process, and the accuracy of the simulation results isverified by the full-scale hoisting test. The research shows that reasonable temporary support arrangementand cable force optimization can effectively improve the stability of the construction stage and ensure theinstallation accuracy of the structure. The research results were applied to the Guangzhou Football ParkStadium project, which optimizes the construction process and shortens the construction period byabout 20%.
