Construction Technologies of Baiguowan Tunnel Crossing underneath DazhouChengdu Railway

ZHOU Tiegang

doi:10.3973/j.issn.1672-741X.2012.z1.025

Tunnel Construction >

2012 , Vol. 32 >Issue 增刊1: 113 - 116

DOI: https://doi.org/10.3973/j.issn.1672-741X.2012.z1.025

Construction Technologies of Baiguowan Tunnel Crossing underneath DazhouChengdu Railway

ZHOU Tiegang

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(The 1st Branch of LanzhouChongqing Railway Project Department of China Railway First Group Nanchong 637156, Sichuan, China)

Received date: 2012-07-30

Revised date: 2012-08-20

Online published: 2013-02-19

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Abstract

The Baiguowan tunnel crosses underneath DazhouChengdu No. 2 line. The construction technologies, including existing railway reinforced by D beam, advance large roof support in tunnel, tiny step and temporary invert method, blasting control method and lining followed method, are used, so as to ensure the construction safety of Baiguowan tunnel and running existing railway. The paper can provide references for similar projects in the future.

Key words： crossing underneath railway; existing railway line reinforcement; blasting control; lining

Cite this article

ZHOU Tiegang . Construction Technologies of Baiguowan Tunnel Crossing underneath DazhouChengdu Railway[J]. Tunnel Construction, 2012 , 32(增刊1) : 113 -116 . DOI: 10.3973/j.issn.1672-741X.2012.z1.025

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