摘要
结合怀柔区迎宾南路与京承线相交处的旧桥改造,介绍采用切割法切割既有U形铁路混凝土桥、D24军便梁加固既有铁路以及桥体顶进施工的工艺,为类似的工程提供一定的借鉴。
With the transformation of the old bridge at the crossroads of the Yingbinnan Road and the Beijing Chengde Railway in Huairou District as a practical example, the cutting method adopted for cutting the existing U-type railway concrete bridge, the method of strengthening the existing railway with D-24 military convenient girders, and the construction process for jacking in the new bridge body are presented in the paper. This construction process may serve as a reference for similar projects in future.
出处
《国防交通工程与技术》
2006年第4期54-57,共4页
Traffic Engineering and Technology for National Defence
关键词
旧桥拆除
军便梁加固
框架桥顶进
demolition of old bridges
strengthening with military convenient girders
jacking-in a new reinforced concrete frame bridge