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在当代大型斜拉桥主塔施工中,大量的施工作业已无法仅仅通过简单的劳动力所能完成,而必须借助先进的机械设备辅助完成。机械设备的选型及布置方案对主塔施工进度、安全及成本等多方面均有较大影响。因此,大型斜拉桥主塔施工前期,应该重视设备的选型及布置方案研究。结合乐清湾2号桥主塔施工,介绍了如何进行主塔施工塔吊设备选型及布置,深刻剖析了影响其选型及布置的主要因素。
In the construction of the contemporary large-scale cable-stayed bridge, a great deal of construction work can no longer be completed by simple labor force, but must be complemented by advanced machinery and equipment. Mechanical equipment selection and layout of the main tower construction progress, safety and cost and other aspects have a greater impact. Therefore, large-scale cable-stayed bridge pylon construction early, should pay attention to equipment selection and layout program. Combined with the main tower construction of No.2 Bridge in Yueqing Bay, this paper introduces how to select and arrange tower crane equipment of the main tower construction, and deeply analyzes the main factors affecting its selection and arrangement.