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| A STUDY OF INHOMOGENEOUS AND ANISOTROPIC PERME?ABILITY ON AQUIFEROUS TUNNEL-SURROUNDING ROCK |
| Yang Lizhong Huang Tao Zhong Shengjiun |
| Southwest Jiaotong University |
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Abstract In the prediction of gush water inistunnel, itis quite difficult to predict the gush water accurately due to the surrounding rock with obvious inhomogeneity and anisotropy. This paper, taking the Erpaipo Tunnel in the Nan—Kun Railway as an example, presents a new permeability tensor method to make an analysis and calculation of inhomogeneous and anisotropic permeability on the aquiferous tunnel —surrounding rock，It improves the accura?cy of prediction of the gush water source, site and quantity.
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Received: 23 April 1996
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1996, Vol. 13 
