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文章介绍了赛果高速公路果子沟大桥主梁架设与合龙技术,重点介绍了大跨度钢桁梁斜拉桥主梁架设方法,主跨合龙采用调整斜拉索、调整压重为主要手段,不设水平索,不设顶落梁,实现钢梁合龙的新技术。
This paper introduces the erection and closing technology of the main girder of Guozigou Bridge in the Xingsuo Expressway. The main girder erection method of the long-span steel truss girder cable-stayed bridge is introduced. The main girder closing dragon adopts the method of adjusting the stay cables and adjusting the weight as the main measure. Set horizontal cable, no roof beam, the new technology to achieve closure of steel beams.