首页> 中文期刊> 《山西建筑》 >中承式钢桁拱桥主拱施工重难点研究

中承式钢桁拱桥主拱施工重难点研究

         

摘要

Taking the main arch construction of some half-through steel truss and arch bridge as the example,the paper compares the two con-struction schemes,including the cantilever assembly and three-block assembly,points out the latter has higher installation accuracy and better structural wholeness with shorter construction period,compared with the cantilever assembly construction,and illustrates its construction craft procedure,so as to provide some technical support for its application.%以某中承式钢桁拱桥主拱施工为例,对悬臂拼装与三大段拼装两种施工方案进行了对比,指出主拱三大段吊装较悬拼施工具有安装精度高、结构整体性好、工期短等优点,并阐述了其施工工艺流程,为其推广应用提供技术支撑。

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