单箱双室钢箱梁桥安装  

Installation of Single-box Double-chamber Steel Box Girder Bridge

作　　者：张岚 李晓平 Zhang Lan;Li Xiao-ping

机构地区：[1]常州第一建筑集团有限公司,江苏常州213002

出　　处：《建筑技术开发》2021年第18期99-100,共2页Building Technology Development

摘　　要：自贡东站站前高架桥为3 m×40 m三跨连续钢箱梁桥,桥梁全长952.616 m,宽13.50~21.30 m。等截面单箱双室斜腹板钢箱梁高2.0 m。下部结构桥墩采用桩接柱的形式,桥台设计为埋置式,通过采用合理分段、焊接质量控制、定型化钢结构临时支撑,支承应力释放控制等完成安装。The viaduct in front of Zigong East Railway Station is a 3 m×40 m three-span continuous steel box girder,with a total length of 952.616 m and a width of 13.50~21.30 m.The height of the steel box girder bridge with uniform section single box and double chamber inclined web is 2.0 m.The substructure bridge pier adopts the form of pile connection column,and the bridge abutment is designed as an embedded type.The installation is completed through use of reasonable segmentation,welding quality control,temporary support of shaped steel structure,and support stress release control.

关 键 词：钢箱梁 桥墩 临时支架 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]