摘要
昆明市二环全长27.07 km,为城市快速路高架桥系统,其中东环、北二环长约13.5 km。该文对昆明二环中出现的预应力连续箱梁的设计进行介绍和总结,讨论了梁端张拉方式的处理,施工缝处钢束的处理方式,可供其它同类工程参考。
The total length of No.2 Ring in Kunming City is 27.07 km.It is an urban expressway and elevated bridge system,in which East Ring and North No.2 Ring are about 13.5 km long.The article introduces and sums up the design of the pre-stressed continuous box girder occurred in Kunming No.2 Ring,and discusses the treatment of beam-end tensioning mode and the treatment mode of steel bunch at the construction joint able to be referred for the other similar projects.
出处
《城市道桥与防洪》
2011年第6期86-88,98,共4页
Urban Roads Bridges & Flood Control
关键词
昆明二环
预应力
连续箱梁
配束
张拉方式
Kunming No.2 Ring,prestressing,continuous box girder,distribution of steel bunch,tensioning mode