Arch bridge steel truss composite beam double-ship floating method erection method

The invention relates to the technical field of bridge construction, and particularly discloses an arch bridge steel truss composite beam double-ship floating support method erection method which comprises the following steps: S1, floating support erection; s2, analyzing the stability of the floating support; s3, adjusting the height of the upper floating support; s4, walking and positioning the floating support; s5, mounting the steel truss composite beam; s6, adding water into the floating support, sinking and leaving; according to the method, the arch bridge steel truss composite beam can be effectively erected through the double-ship floating support, the method can adapt to the narrow construction environment, and compared with a cable crane hoisting method and a floating crane hoisting method, the method has the advantage that the navigation closing frequency is reduced. 本发明涉及桥梁施工技术领域，具体公开了一种拱桥钢桁组合梁双船浮托法架设方法，包括如下步骤：S1:浮托架设；S2:对浮托稳定性进行分析；S3:对浮托上支架高度调整；S4:对浮托行走及定位；S5:对钢桁组合梁安装；S6:浮托加水下沉离开；本发明通过双船浮托可以有效的对拱桥