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| Disccusion on Waterproofing and Draining Design of Railway Tunnel in Severe Cold and Cold Regions |
| ZHU Guo-wei |
| Project Management Center of Ministry of Railways, Beijing 100038, China |
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Abstract Research purposes: The water leakage has happened to the tunnel in the severe cold and cold regions, resulting in a series of the disasters, such as rising soil of the inverted arch, lining cracking, heaving floor and even invasion of limitation. Based on investigation and analysis of the current situation of the waterproofing and draining technologies and current maintenance situation of the existing the railway tunnels in the Northeast China, the analysis of the problems in design, construction and maintenance of the waterproofing and draining facilities was made and it was proposed that the waterproofing and draining technologies could be continuously improved to simplify the operation and maintenance and ensure the traffic safety.
Research conclusions: Combining with the real problems in design and construction of the waterproofing and draining facilities for the planned tunnel and the tunnel under construction and the application of the new technologies and new materials, it is proposed that the new type heat insulating material should be used for the heat insulating ditch, central deep buried ditch, cold-proof weepage hole and heat insulating blind ditch to reduce construction process and the construction difficulty for thoroughly solving the freeze injury of the tunnel in cold region.
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Received: 04 August 2012
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2013, Vol. 30 
