斜拉桥钢箱梁维修加固施工

Maintenance reinforcement construction of steel-box girder of cable-stayed bridge

介绍了海河大桥的工程概况,分析了该大桥钢箱梁内与开口段的主要病害类型,并从钢箱梁横隔板加固、U肋腹板开裂加固、现场焊接等方面,阐述了钢箱梁的维修加固方案,以延长桥梁的使用年限。

The thesis introduces Haihe bridge engineering conditions,analyzes major diseases types of the bride steel box girder inner and opening section,and illustrates the steel-box girder maintenance reinforcement scheme from aspects of steel-box girder horizontal-isolation board reinforcement,U-style rib board cracking reinforcement and filed wielding,with a view to prolong the bridge serving life.