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《Communications Science and Technology Heilongjiang》 2012-04
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Research on Deflection Processing Methods of Tunnel Portal in Shallow Buried Swelling Rock: a Case Study of Xinzhai Tunnel on Yuxi-Mengzi Railway

LI Wan-ming(Hong Cheng Road & Bridge Engineering Co.,LTD.of Yunnan Highway Construction Group)  
The problem of deflection of tunnel portal in shallow buried swelling rock is very common and there is some difficulty in dealing with it.This paper describes deflection situation,processing program of the deflection,supporting measures and effect monitoring in the construction process of the tunnel portal entrance of Xinzhai tunnel on Yuxi-Mengzi railway.This research provides a case study and make reference to deflection processing methods of tunnel portal in shallow buried swelling rock.
【CateGory Index】: U455.4
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