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采用BDCMS程序对四塔高墩PC斜拉桥的施工过程进行了模拟计算,得到了各施工工况下的理论控制数据,以此为基础分析梁段自重、施工荷载、结构刚度、斜拉索张拉索力、混凝土收缩徐变、温度等参数对施工过程和成桥状态关键控制参数的影响,得到了四塔高墩PC斜拉桥结构对各项参数的敏感性,为施工控制的顺利实施提供理论依据。
The BDCMS program was used to simulate the construction process of the PC cable-stayed bridge with four towers and the theoretical control data under various construction conditions were obtained. Based on the analysis, the self-weights of beams, construction loads, structural stiffness, Tensile force, concrete shrinkage and creep, temperature and other parameters on the construction process and the state of the key control parameters of the bridge, obtained the four-tower high pier PC cable-stayed bridge structure of the sensitivity of the parameters for the construction control smoothly Provide a theoretical basis for implementation.