论文部分内容阅读
介绍南昆线东阳沟4号特大桥2-2×80 m上承式栓焊钢桁梁架设施工组织设计的优化过程和成果,以及拼装平台设计、吊装设计、抗倾覆稳定设计等的应用技术。论述悬臂拼装法架设钢桁梁桥的技术特点、施工步骤、关键技术。
This paper introduces the optimization process and result of 2-2.5m structural steel truss girder construction design of Dongyanggou No.4 super large bridge on Nankun line and the applied technology of assembling platform design, hoisting design and anti-overturning stability design . The technical features, construction steps and key technologies of erecting steel truss girders by cantilever assembly method are discussed.