Some distribution rules of surrounding rock stress of the tunnel are summarized to provide the reasonable references to design and construction of this tunnel. 總結了該斷層地段隧道圍巖應力的一些分布規律，為該工程的設計和施工提供了合理的參考依據。
Different methods for the determination of initial rock stresses and the principle of its test borehole layout are also presented. 介紹了各種控制致裂測試鉆孔布置原則及原巖應力的計算方法。
