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隧道下穿铁路桥桩基加固与托换技术 预览 被引量:1

Pile Foundation Reinforcement and Underpinning Technology of Railway Bridge due to Tunnel Undercrossing
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摘要 针对成都—绵阳—乐山客运专线机场路隧道下穿西环联络线铁路桥施工的工程特点,采用以桩基加固与托换技术为主的施工方法。介绍了该方法的施工工艺及桩帽施工、界面处理等关键施工技术。在铁路列车正常运营条件下成功实施了桩基加固和托换,可为类似工程提供借鉴。 According to engineering characteristics of airport road tunnel in Chengdu-M ianyang-Leshan passenger dedicated line undercrossing the railway bridge of west link line,the construction method based on pile foundation reinforcement and underpinning technology was adopted,the construction technology and the other key construction techniques including pile cap construction and interface treatment were introduced.The pile foundation reinforcement and underpinning have been successfully carried out under the condition of normal railway train operation,which could provide a reference for similar projects.
作者 林宪广 LIN Xianguang;China Railway 14th Bureau Group Tunnel Engineering Co.,Ltd.;
出处 《铁道建筑》 北大核心 2017年第9期89-91,99共4页 Railway Engineering
关键词 铁路隧道 铁路桥 现场试验 桩基 加固 托换 Railway tunnel Railway bridge Field test Pile foundation Reinforcement Underpinning
作者简介 林宪广(1970—) ,男,高级工程师。E-mail:linxianguang@sohu.com
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