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收稿日期: 2012-07-30
修回日期: 2012-08-20
网络出版日期: 2013-02-19
Construction Technologies of Baiguowan Tunnel Crossing underneath DazhouChengdu Railway
Received date: 2012-07-30
Revised date: 2012-08-20
Online published: 2013-02-19
周铁刚 . 白果湾隧道下穿达成铁路施工技术[J]. 隧道建设, 2012 , 32(增刊1) : 113 -116 . DOI: 10.3973/j.issn.1672-741X.2012.z1.025
The Baiguowan tunnel crosses underneath DazhouChengdu 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.
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