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隧道建设 >

2009 , Vol. 29 >Issue 3: 356 - 360

DOI: https://doi.org/B

施工技术

D型便梁加固在羊子岭隧道进口段下穿既有铁路施工中的应用

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  • 中铁二十局集团有限公司
陈文珍(1953—)|男 |湖南人|1982年毕业于铁道兵工程学院铁道工程专业|本科|高级工程师|从事施工技术与施工管理工作。

收稿日期: 2009-05-25

  修回日期: 2009-06-12

  网络出版日期: 2009-09-08

Application of Dtype Temporary Beam Reinforcement in Construction of
Entrance Section of Yangziling Tunnel Crossing Underneath Existing Railway

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  • China Railway 20th Bureau Group Co., Ltd.

Received date: 2009-05-25

  Revised date: 2009-06-12

  Online published: 2009-09-08

摘要

以襄渝二线羊子岭隧道进口段下穿既有铁路施工中采取D便梁加固整体架空既有铁路线路为例,阐述D便梁选型及布置计算,并介绍线路加固施工方法、施工要点、施工监测及安全保证措施等。

本文引用格式

陈文珍 . D型便梁加固在羊子岭隧道进口段下穿既有铁路施工中的应用[J]. 隧道建设, 2009 , 29(3) : 356 -360 . DOI: B

Abstract

 During the construction of the entrance section of Yangziling tunnel on the second XiangfanChongqing railway line, Dtype temporary beam is used to consolidate the existing railway line when the tunnel crosses underneath. Taking the project as an example, the author presents the type selection and arrangement calculation of Dtype temporary beam and provides the technical details of the existing railway consolidation construction, including construction method, key construction points, monitoring and safety guarantee measures.

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