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对济宁南二环中承式大型连续钢桁拱桥实施先拱后梁的钢梁架设方案进行了系统的阐述,特别是对该桥主跨钢桁梁全悬臂无支架施工、合龙方法及设置临时预应力等关键技术和创新进行了详细介绍。
This paper expounds systematically the erection scheme of the steel beam with the first arch and the back beam in the large-span continuous steel truss arch bridge of Jining South Second Ring Road, especially for the whole cantilever construction of the main span steel truss girder, Stress and other key technologies and innovations were described in detail.