摘要
京台高速公路古田溪2号大桥主墩位于水库,承台施工方案经比选采用单壁钢吊箱围堰;针对常规钢吊箱存在的不足,采用创新设计,优化了底板主构件及封底混凝土,介绍了创新做法并阐述了施工要点。
The main pier of Gutianxi No. 2 bridge of Beijing-Taiwan Expressway is located in the reservoir. After comparison,the construction scheme of bearing platform is applied by single-wall steel suspension box cofferdam. In connection with the shortage of regular steel suspension box,innovative design is used and primary element of bottom board and top seal concrete are optimized. The innovative technology and key points of construction are introduced.
出处
《铁道建筑技术》
2015年第7期73-74,85,共3页
Railway Construction Technology
关键词
单壁钢吊箱
优化设计
施工技术
single-wall steel suspension box
optimization design
construction technique