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| THINKING ON THE INCLINED SHAFT IN CONSTRUCTION OF WU SHAOLING SUPER LONG TUNNEL |
| DOU Zhong-xiao, GOU Biao, PENG Wan-ping |
| The First Engineering Bureau Group Co. Ltd of China Railway |
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Abstract Research purposes: Service gallery and short excavation methods are employed in the digging of super long tunnels to reduce the construction time. In this paper, the function of inclined shaft service gallery construction in super long tunnels is presented which took the Wushaoling super long tunnels as an example. The types of the inclined shaft service gallery and the problems of different haulage types of inclined shaft are emphasized, and this could serve as a useful reference for future construction of similar kinds of shafts.
Research methods: The two typical different types of inclined shaft construction methods which are used in 10# and 11# of Wushaoling super long tunnels are compared in two aspects which are practical application in construction and practical effect. The effects, advantages and disadvantages of them are also studied.
Research results: The construction effects of 10# and 11# inclined shaft are compared, and they have correspondent advantages in assist main tunnel construction. The integrated use index of 10# inclined shaft with no rail is better than 11# inclined shaft with rail.
Research Conclusions: when the short excavation method is used in super long tunnel construction, the service gallery is often used to open many working face, inclined shaft is one of these very good methods to assist the construction. The two problems in tunnel construction which is “put the ballast out the tunnel and transfer the support materials into the tunnel” must be solved, and the types of the inclined shaft must be determined with all things considered.
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Received: 15 August 2005
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2006, Vol. 23 
