下穿重载铁路小角度顶推框构施工技术研究  

Construction Technology of the Small Angle Pushing Frame Construction Underpassing the Heavy-haul Railway

作　　者：李敏[1] 

机构地区：[1]中铁十八局集团第五工程有限公司,天津300459

出　　处：《铁道建筑技术》2016年第6期8-10,22,共4页Railway Construction Technology

基　　金：中铁十八局集团有限公司2012年度科技研究开发计划课题(G12-16)

摘　　要：以滨海公路下穿东港铁路顶进框构工程为例,对下穿重载铁路时采用小角度顶推框构施工的关键技术进行了研究,主要研究内容围绕地下水影响、铁路安全和框构小角度顶推技术难点展开,分析了各种环境及施工因素,采取了有效措施,确保了铁路运营安全,最终工程成功实施,为类似工程提供了有益的借鉴和参考。Taking the jacking frame construction of Binhai Highway underpassing the Donggang Railway as an example, this paper studied the key technologies of the small angle pushing frame construction underpassing the heavy-haul railway, focu- sing on the influence of groundwater, railway safety and the technical difficulties of small angle pushing frame construction, it analyzed all kinds of environmental and construction factors and took effective measures to ensure the safe operation of the railway, finally, the project was implemented successfully, which could provide a useful reference for similar projects.

关 键 词：框构桥 小角度下穿重载铁路 顶推施工 

分 类 号：U449.52[建筑科学—桥梁与隧道工程]