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			CONSTRUCTION TECHNIQUE IN UNSTABLE TUNNEL ACCUMULATED WITH POROUS SURROUNDING ROCK
DONG Xin-ping, DING Rui
Journal of Railway Engineering Society ›› 2001, Vol. 18 ›› Issue (2) : 47-50.
						
							PDF(166 KB) 
						
						
					
						
							PDF(166 KB) 
						
						
					CONSTRUCTION TECHNIQUE IN UNSTABLE TUNNEL ACCUMULATED WITH POROUS SURROUNDING ROCK
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