整体顶升技术在老桥改造中的应用  

The application of entire jack lifting technology in old bridge reconstruction

作　　者：冯小晗 

机构地区：[1]中铁十五局二公司,河南焦作454003

出　　处：《山西建筑》2006年第13期285-286,共2页Shanxi Architecture

摘　　要：通过AK1＋506．8跨线桥改造的工程实践，阐述了整体顶升技术在老桥改造中的应用，分析了在顶升过程中千斤顶的受力情况，为解决顶升过程中所出现的问题提供了理论依据。Taking reconstruction work of AK1 ＋ 506.8 over-bridge as example the application of entire jack lifting technology in old bridge reconstruction is introduced. The mechanical behaviors of jack in lifting process are analyzed in order to provide theoretical references to resolve problems encountered in construction.

关 键 词：老桥改造 整体顶升技术 梁体偏移 

分 类 号：U445.462[建筑科学—桥梁与隧道工程]