基于莫尔—库仑屈服准则推导得出的围岩抗力系数计算公式，具有较强实用价值。
Based on the Mohr-Column rule, the formula for calculating rock resistant coefficient is given in the paper, and the formula can be applied in kinds of rock conditions.
对于均质连续岩体，通过模拟围岩抗力，可以仅取衬砌及其附近围岩作为分析对象，将水工压力隧洞应力分析转化为受内、外压的厚壁圆筒。
When the hydraulic pressure tunnel is pressed by water, the concrete of tunnel transfers the pressure to the surrounding rock mass, and it also is pressed by the rock reaction force at the same time.
水工隧洞设计（如圆形、马蹄形断面）在设计规范中给出了计算方法和公式，并考虑了围岩的抗力作用。
The calculation methods and formulae were shown in many standards fo designing hydraulic tunnel including sections of circle and hoof with considering the effect of elastic resistance.
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