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结合姑山铁矿露天采场北帮边坡防渗工程的防渗研究,该文利用FEFLOW软件建立了该区的地下水数值模型。在此基础上,对拟修建的防渗帷幕的防渗效果进行了数值预测,分析了防渗帷幕对拦截北帮地下水的效果。同时指出防渗工程中存在的一些不足,并提出了可能引发的矿山边坡安全隐患和消除隐患的方法。最后推演了所采取的措施对防渗工程的贡献,为姑山露天采场北帮防渗工程设计提供了科学的依据和可行的解决方法。
Combined with the seepage prevention study of seepage control project of north slope of open pit in Gushan Iron Mine, this paper established the numerical model of groundwater in this area by FEFLOW software. Based on this, the numerical predictions of seepage control effect of seepage curtains to be built are carried out. The effect of seepage control curtains on intercepting north groundwater is analyzed. At the same time, some existing problems in seepage control project are pointed out, and some potential safety problems of mine slope and the methods of eliminating hidden danger are put forward. Finally, deduced the contribution of the measures taken to the seepage control project, which provides a scientific basis and a feasible solution for the design of open pit seepage prevention project in Gushan open pit.