The paper describes the design method and results of this tunnel, and presents several problems in high ground stress region to which the attention must be paid specially in big tunnel design.

本文介绍该隧洞的设计方法和设计成果，并提出了位于高地应力区的大型隧洞设计中应特别重视的几个问题。

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One is called the S-N curve of surface fracture mode. It is governed by a crystal slip on the specimen surface, which occurs in the region of short fatigue life and high stress amplitude level.

一组叫做表面破坏模式的S-N曲线，它发生在高应力幅短寿命区，是由试样表面晶体滑移引起的。

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Synthetical evaluation according to prediction result of stress field and curvature will lead to high permeability region prediction of coal reservoir.

应用应力场预测的结果与曲率分析预测的结果进行综合评价，预测煤储层高渗区。

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