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MODERN TUNNELLING TECHNOLOGY 2011, Vol. 48 Issue (4) :122-125    DOI:
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Construction of the Intersection Joint of the Xishan Super-long Tunnel with Inclined Shaft
（First Engineering Company, China Railway First Engineering Bureau Group Co.，Ltd.，Weinan  714000）
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Abstract The 13.654km Xishan super-long tunnel on the Taiyuan-Gujiao expressway is the longest highway tunnel under construction in China. During construction of the intersection joint of the inclined shaft with the main tunnel, bench excavation was adopted with the rectangular-section vertical adit directly entering into the main tunnel. By optimizing the design parameters, strengthening support, and using shock-absorbing blasting technology, the construction of the inclined shaft intersection joint with the main tunnel was implemented safely and efficiently.
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WANG Xin
Keywords： Super-long tunnel   Inclined shaft   Intersection joint   Construction technology     
Abstract： The 13.654km Xishan super-long tunnel on the Taiyuan-Gujiao expressway is the longest highway tunnel under construction in China. During construction of the intersection joint of the inclined shaft with the main tunnel, bench excavation was adopted with the rectangular-section vertical adit directly entering into the main tunnel. By optimizing the design parameters, strengthening support, and using shock-absorbing blasting technology, the construction of the inclined shaft intersection joint with the main tunnel was implemented safely and efficiently.
Keywords： Super-long tunnel,   Inclined shaft,   Intersection joint,   Construction technology     
published: 2011-04-25
Cite this article:   
WANG Xin .Construction of the Intersection Joint of the Xishan Super-long Tunnel with Inclined Shaft[J]  MODERN TUNNELLING TECHNOLOGY, 2011,V48(4): 122-125
URL:  
http://www.xdsdjs.com/EN/      或     http://www.xdsdjs.com/EN/Y2011/V48/I4/122
　
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