Technology of Treatment Measures of Quality Bug of Prestressed Continuous Rigid-Frame Bridge

Good effect is achieved after treatment in Huangsha bridge,which is a prestressed concrete continuous rigid-frame box girder bridge and had encountered some quality problems in the base slab such as concrete crack and fragmentation in big area.Taking the project for example,the paper analyses the reason of the quality bug in detail,emphasizes the scheme of treament for such problems described as before,the technics process,notices of construction,et al.,which could be helpful for the simuliar project.