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根据鸭绿江界河斜拉桥项目施工和测量控制网布制特点,建立了钢箱梁悬拼合龙控制基点。论述了基点设置以及施工测量方法,通过斜拉桥悬拼安装过程中测量控制,在该项目施工测中引入了CAD三维建模测量技术,质量检验数据全部满足规范要求,顺利完成主桥主跨合龙,最终胜利完成1 266 m双塔双索面钢箱梁斜拉桥五跨连续半飘浮体系。
According to the Yalu River boundary river cable-stayed bridge project construction and measurement control network cloth system features, the steel box girder suspended fight dragon base point control. The basic point setting and construction measuring method are discussed. Through the measurement and control during the installation of suspended cable-stayed bridge, CAD three-dimensional modeling and measuring technology is introduced into the construction survey. The quality inspection data all meet the requirements of the specification and the main span Closure, the final victory 1 266 m double tower double cable plane box girder cable-stayed bridge five-span continuous semi-floating system.