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对珠江新城海心沙体育场大跨度悬挑钢顶篷斜拉索进行施工模拟、施工技术介绍和施工监测。采用有限元软件SAP2000对钢顶篷斜拉索施工过程进行模拟分析;施工模拟结果指导斜拉索施工及其预应力的张拉过程;斜拉索施工监测以监测钢顶篷构件的应力、索力和结构的位移为主,监测结果表明钢顶篷结构是安全的;模拟分析理论值与实测数据吻合较好,表明钢顶篷结构预应力施工过程的有限元模拟分析计算模型和方法的正确性。
The construction simulation, construction technology and construction monitoring of the long-span cantilevered cable stayed cable stayed in Haixinsha Stadium, Zhujiang New City were conducted. The finite element software SAP2000 was used to simulate the construction process of the steel roof cantilever cable. The construction simulation result instructed the construction of the cable stayed cable and the prestressing process. The cable stayed construction monitoring was used to monitor the stress of the steel canopy component Force and displacement of the structure, the monitoring results show that the steel roof structure is safe; the simulation analysis theoretical value is in good agreement with the measured data, which shows that the finite element simulation analysis and calculation model and method of the steel roof structure prestressed construction process are correct Sex.