Combined with Liaoyang Road Hangzhou-anshan viaduct box girder raising project,this paper expounds the technical points of box girder in the course of raising.Hangzhou-anshan viaduct is located in the urban area with heavy traffic.In order to relieve the traffic pressure along the viaduct,the box girder is jacked and raised to increase the traffic clearance and improve the traffic condition.The corresponding jacking measures and precise control technology are adopted in the heightening,which not only completes the stable heightening of the box girder efficiently,but also en-sures the safety and quality of the construction.
关键词
高架桥/箱梁/顶升加高/施工技术
Key words
viaduct/box girder/jacking and raising/construction technology
维普
万方数据