城市立交桥拆除改造技术

待拆城市立交桥地处交通要道,交通流量大,周边民宅及办公楼密集,环境极为复杂,确保桥下行车、行人安全、降低对周边环境的影响以及保留柱墩结构不受损伤是桥梁拆除的关键.结合工程实例,详细介绍了桥面结构切割、吊装及运输、钢支撑设置及交通导改等关键工序.结果证明,施工期间桥下道路可正常通行,噪声小且不产生粉尘,取得了良好的经济效益和社会效益.

Demolition and Reconstruction Technology of Urban Overpass

The urban overpass to be demolished locates at center of a city with heavy traffic and dense buildings.Thus,it is the key issue to ensure safety of vehicles,pedestrian and preserved column-pier,as well as to reduce the influence to surrounding environment.Combining with actual project,main construction process are introduced including bridge structure cutting,lifting and transporting,steel supports setting and traffic alternation.It proves that the normal traffic of road can be ensured,and the noise and dus...