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| STUDY ON CONSTRUCTION TECHNIQUE OF TBM IN WEAK SURROUNDING ROCK |
| ZHANG Min-qing1，LI Jian-wei2 |
| 1Science Research Institute，China Railway Tunnel Group Company; 2 TBM Company of the 1st Office, China Railway Tunnel Group Company |
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Abstract This paper studied the construction technique of TBM in weak surrounding rock，and proposed its construction procedure schemes. Through experiments in situ，some major technical parameters were analyzed，and several data were accumulated for TBM of rapid construction in weak surrounding rock.
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Received: 20 January 2002
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2002, Vol. 19 
