姑山铁矿为大水矿床，进行边坡稳定性分析首先要进行边坡渗流场计算。
Gushan Iron Mine is a wellknown heavy water ore deposit. The calculation of slope infiltration field was required to do first in slope stability analysis.
为了进行渗流作用下的边坡稳定性分析，必须考虑渗流场与应力场之间的相互耦合作用。
To analyse the stability of soil slope under seepage, the effects of coupling between seepage and stress fields should be considered.
根据渗流力作用原理，建立起渗流作用下土坡稳定性的求解方程，并结合工程实例验证了该法的合理性，为边坡工程的稳定性分析提供参考。
According to the principle of seepage force, equation for stability of earth slope under seepage condition is established, and reasonableness of the method is verified by engineering example.
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