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| ANALYSIS ON REASON OF DEFECTS IN JIUYANSHAN TUNNEL AND SUGGESTION OF MEASURES FOR THEIR REGULATION |
| MIAO Xiao-qi |
| Xi'an Branch Railway First Reconnaissance and Design Institute |
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Abstract The defects in the already constructed Jiuyanshan tunnel were severity by comparison. Besides badly seepage, the lining was badly scaled off, and the subgrade was boiling and mudding. This text analyzed the reason in defects thoroughly and exactly, at last put forward measures and proposed suggestions for their regulation.
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Received: 05 September 2002
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2003, Vol. 20 
