结合肖家巷特大桥主桥的实际情况简单介绍了预应力混凝土箱梁满堂支架的施工工艺及支架力学验算,验证支架的安全性,并利用工字钢密排设置门洞有效的解决了跨交通线路并受空间限制的问题,为类似支架的计算提供有益的指导。%Combining with the fact of Xiaojiaxiang super-large Bridge,the paper introduces the construction craft of the full space support of the prestressed concrete box girder and the dynamic rechecking of the support,proves the safety of the support,adopts Ⅰ-shaped steel row to design the bristle traps to solve the limited space of the crossing traffic lines effectively,which has provided helpful guidance for the calculation of similar support.
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