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| RESEARCH ON CONSTRUCTION MECHANICS O} TWO KINDS OF CONSTRUCTION METHOD OF DOUBLE-ARCH TUNNEL |
| JIA Yong-gang1, WANG Ming-nian2 |
| 1.Beijing Urban Engineering Design and Research Institute Co. Ltd; 2. Dept of Underground Engineering,Southwest Jiaotong University |
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Abstract At present，rock collapse in the construction of double-arch tunnel. Problems of large area crack exist in linings. In this paper author analyses the mechanics of two different construction methods of double- arch tunnel including displacement, force of principal support and safety factor, come to some conclusion, which can provide some reference on construction of double-arch tunnel.
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Received: 06 February 2014
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2004, Vol. 21 
