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			Study on the Reasonable Spacing of the Excavation Face of Shallow-buried and Super-closed Upper and Lower Overlapped Tunnels
XU Qianwei, JIANG Chengzhi, YE Yanwei, WU Xiangsong, QIN Zao, ZHANG Jun
Journal of Railway Engineering Society ›› 2024, Vol. 41 ›› Issue (3) : 73-79.
						
							PDF(1506 KB) 
						
						
					
						
							PDF(1506 KB) 
						
						
					Study on the Reasonable Spacing of the Excavation Face of Shallow-buried and Super-closed Upper and Lower Overlapped Tunnels
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