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MODERN TUNNELLING TECHNOLOGY 2019, Vol. 56 Issue (4) :149-153    DOI:
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Research and Practice of Vertical Shaft Construction Technology for the Cangshan Tunnel Project
(Shanxi Provincial Transportation Planning, Survey and Design Institute, Taiyuan 030012)
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Abstract With the construction of domestic road projects in mountainous and hilly areas, more and more extralong road tunnels have been built. And the shaft is one of the key parts of tunnelling. However there are little rele? vant experience and a few codes and specifications for the design and construction of tunnel shaft. Based on the shaft construction of the Cangshan tunnel on Wutaishan-Yuxian expressway, comparison and selection were conducted regarding shaft construction scheme and main construction equipment (raise boring machines) in view of downward boring method and raise boring method, and the control measures for shaft construction were described in detail. The results show that significant effect of environmental protection was obtained and less land was occupied for this tunnel shaft constructed by raise boring method. This technology has a prospect to be promoted widely since the vegetation won′t be destroyed and the environment won′t be impacted due to mucking inside the tunnel.
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SUN Chensheng
Keywords： Road tunnel   Shaft   Downward boring method   Raise boring method   Lining   Reaming     
Abstract： With the construction of domestic road projects in mountainous and hilly areas, more and more extralong road tunnels have been built. And the shaft is one of the key parts of tunnelling. However there are little rele? vant experience and a few codes and specifications for the design and construction of tunnel shaft. Based on the shaft construction of the Cangshan tunnel on Wutaishan-Yuxian expressway, comparison and selection were conducted regarding shaft construction scheme and main construction equipment (raise boring machines) in view of downward boring method and raise boring method, and the control measures for shaft construction were described in detail. The results show that significant effect of environmental protection was obtained and less land was occupied for this tunnel shaft constructed by raise boring method. This technology has a prospect to be promoted widely since the vegetation won′t be destroyed and the environment won′t be impacted due to mucking inside the tunnel.
Keywords： Road tunnel,   Shaft,   Downward boring method,   Raise boring method,   Lining,   Reaming     
Cite this article:   
SUN Chensheng .Research and Practice of Vertical Shaft Construction Technology for the Cangshan Tunnel Project[J]  MODERN TUNNELLING TECHNOLOGY, 2019,V56(4): 149-153
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