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主要阐述了南广郁江双线特大桥主桥钢桁梁斜拉桥钢梁合龙施工技术。首先对跨中合龙的特点进行分析,然后进行跨中合龙总体方法的探讨;接下来对中跨合龙采取的技术措施、钢梁合龙前后的测试及准备工作、合龙具体方法及步骤进行细化,阐明钢梁合龙施工技术控制要点,为类似工程施工提供借鉴。
Mainly elaborated the South Guang Yu River double-girder bridge steel truss cable-stayed bridge steel girder construction technology. First of all, the characteristics of cross-over co-dragon were analyzed, and then the overall method of cross-over co-integration was discussed. Next, the technical measures taken before mid-cross co-rearing, the testing and preparation before and after the steel- Clarifying the key points of steel girder construction technology control, providing reference for similar project construction.