利用天然地下水中各化学组分的迁移规律,从矿物化学组分运移方程入手,推导用化学动力学、化学热力学和地下水动力学表示的矿物吸附、溶解动力学方程,并用化学指标表示渗透系数、导水系数的解析表达式。基于研究区的水质资料,用水化学动力学方法能够求解含水层的水文地质参数,将该方法应用于抽水蓄能电站厂房区含水层参数的确定,并与压水试验法确定的参数进行对比,从而验证该方法的有效性,表明该方法具有广阔的应用前景。
The determination methods of hydrogeological parameters in the aquifer are mainly involved in pumping test,slug test,water-pressure test and numerical inverse analysis.A new method is developed to determine the hydrogeological parameters.According to transport law of each chemical component in natural groundwater,using transport equation of mineral chemical component,adsorption and dissolution kinetics equation of mineral are developed by the expression of chemical kinetics,chemical thermodynamics and groundwater dynamics.And the analytical expressions of hydraulic conductivity efficient and transmissibility coefficient are denoted by chemical indexes.Based on water quality of research area,hydrogeological parameters of aquifer can be determined by hydrochemical kinetics method.The method is applied to determination of hydrogeological parameters of aquifer in underground workshop area of some pumped storage power station.Furthermore,compared with results of water-pressure test,consequently,validity of the method is testified with wide application.