某互通立交匝道桥支座脱空的加固设计

Reinforcement design of bearing void of an interchange ramp bridge

针对某互通立交工程中已完工的匝道桥墩柱上有裂缝产生,以及箱梁内弧侧支座的脱空现象,通过对其产生原因进行分析,对支座设置进行验算和加固设计,以满足正常使用的要求。

According to the cracks on the accomplished ramp bridge pier at some interchange ramp bridge projects and the void at the arc side support of the box girder, the paper analyzes the reasons and undertakes the calculation and consolidation design for the bearing allocation, so as to meet the normal use＇ s demand.