旧拱桥拱上建筑拆除施工与方案设计  

The Demolition Procedure and Scheme Optimization of the Buildings on Old Arch Bridge

作　　者：耿福志 

机构地区：[1]中铁十六局集团第一工程有限公司,北京101300

出　　处：《石家庄铁道大学学报（自然科学版）》2017年第3期20-24,98,共6页Journal of Shijiazhuang Tiedao University(Natural Science Edition)

摘　　要：采用200 t大型汽车吊对一座等截面悬链线箱型拱桥拱上建筑的拆除过程进行设计,对桥面板拆除、盖梁、立柱、基梁、台帽与垫石拆除进行着重介绍。实际施工结果表明,采用大型起吊设备进行拆除施工,具有安全、快速、经济的优势,采用MIDAS-civil有限元软件对拆除过程不同施工工况进行数值模拟分析,为该类工程的施工方案提供数据支持。The demolition process of a constant section catenary arch bridge using a200 t truck crane is optimized,focusing on the demolition technology of the bridge deck,beams,columns,beam cap and base pad stone.The different demolition conditions for the removal process is numerically simulated with MIDAS-civil finite element software.The actual measured results show that the demolition procedure with a large hoisting equipment has many advantages such as safe,fast and economic;And the result can be referred by the future similar projects.

关 键 词：200t汽车吊 旧拱桥 拱上建筑 

分 类 号：U488.22[交通运输工程—载运工具运用工程]