某预应力混凝土曲线连续箱梁桥加固

Reinforcement of Prestressed Concrete Curved Box Girder Bridge

某预应力曲线连续箱梁桥,在施工支架拆除后,过渡墩圆曲线内侧支座脱空2cm,中间固结钢管混凝土墩向圆曲线外侧偏6.4cm,通过加固满足了桥梁安全和使用性能的要求。分析问题出现的原因,介绍切实可行的加固方案,可为有类似问题桥梁的处理提供一定的参考。

For a prestressed concrete curved box girder bridge, the interior bracket transition at the inner side of pier circular curve has 2cm dislocation; the middle consolidated concrete filled steel tube pier has 6.4cm offset to the outer side of circular curve. The demand on safety and service performance of bridge are met by reinforcement. Analyzing the causes of problems and putting forward practicable reinforcement projects can provide reference to the disposal of bridges with similar troubles.