摘要
沪蓉国道主干线湖北沪蓉西(宜昌至恩施)高速公路支井河特大桥主桥为(1×430)m上承式钢管砼拱桥,根据现场地形条件及现有设备,箱梁的架设安装采用缆索起重机附加扁担梁进行吊装。介绍扁担梁的设计与验算,以及施工过程中箱梁架设注意事项。
The main bridge of Zhijinghe large bridge of West Hurong Highway part （Yichang,--Enshi） in Hubei Province of Humng national trunk is 1 - 430 m deck steel arch bridge. According to the site topography and condition as well as its existing equipment, box girder is hoisted and installed by cable crane combining Pole beams. Now design and checking of Pole beam and notes in this construction process will be described with points concerning box girder＇ s erection of Zhijinghe large bridge.
出处
《铁道建筑技术》
2011年第12期1-4,15,共5页
Railway Construction Technology
关键词
钢管砼拱桥
缆索起重机
扁担梁
箱梁吊装
steel arch bridge
cable crane
pole beams
box girder hoisting
