三角托架在共和乌江特大桥施工中的应用

Application of Triangular Bracket in Gonghe Wujiang Super-large Bridge Construction

文章针对渝湘高速公路共和乌江特大桥的施工特点,确定采用牛腿支撑三角托架的支架方案,同时介绍了箱梁0#块、交接墩系梁和盖梁等关键施工部位的三角托架布置及组成情况,计算分析了三角托架的受力状况及稳定性,并对支架制作安装过程中应注意的事项进行了阐述。

Targeting on construction characteristics of Gonghe Wujiang Super-large Bridge in Chongqing-Hunan Expressway, the article determined to use the support plan of triangular bracket supported by corbel, at the same time, introduced the triangular bracket arrange- ment and composition situation in key construction parts of 0# box beam, handover pier tie beam and capping beam, calculated and analyzed the stress condition and stability of triangle bracket,and described the precautions in the process of support fabrication and installation.