比拟法在凤凰山铁矿床矿坑涌水量预测中的应用

APPLICATION OF ANALOGUE METHOD TO THE PREDICTION OF UPWELLING YIELD IN FENGHUANGSHAN IRON MINE

本文据比拟法,在凤凰山与西石门两矿床的水文地质条件基本相似的前提下,确定了影响矿坑涌水量的主要因素,并利用回归方法找出了它们之间的函数关系,建立了比拟公式,预测了凤凰山矿床土0米水平矿坑涌水量。

This peper presents tne influential factors of upwelling yield in fenghuangshan Iron Mine deter-mined by analogue method. The prerequisite is the similarity in hydrogeologicai conditions ofFenghuangshall and Xishimen Iron Mines. Function relation of them is established by regression. Up-welling yield of fenghuangshan Iron Mine is calculated from the equation;Q=Q_0(h/h_0)0.169(S/S_0)1.162(T/T_0)-0.019Q, Q_0=upwelling yield/day (m^3/day)h, h_0=drawdown of water table in Ordovician limestone (m)S, S_0=area of aquifer in the funnel depression (km^2)T, T_0=duration of draining