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| REGULATION OF CONSTRUCTION TUNNEL DISASTER FOR XIN-XIN-WU-CHANG |
| LI Wei-ping |
| Fourth Survey and Design Institute of MOR |
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Abstract The paper describes the regulation treatment for a bigger collapse disaster occurred in construction of the Xirnin谓 u~chang Tunnel on the Zhuzhou-Liupanshui double track line of the Xiang -Qian Railway. The adopted measures are the auxiliary construction measures， including the pre-grouting of open cut tunnel entrance and ground surface， the pre-grouting of extra-leading short pipe-shed inside of the tunnel， self-advanced type grouting anchor bolts， etc.
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Received: 15 January 2000
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2000, Vol. 17 
