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在进行简易水文地质勘探时,由于客观原因限制,一般采用单井稳定流抽水试验。在抽水试验结束后利用稳定井流抽水试验数据资料和水位恢复数据资料计算各含水层渗透系数K、影响半径R、导水系数T等水文地质参数,利用求得的水文地质参数计算该区的单位涌水量等数据,为评价许昌市桂村地区富水性程度提供了数据理论基础。同时,本文通过对抽水试验数据分析极其富水性评价方法的介绍,为同类富水性评价提供可借鉴的方法。
In the simple hydrogeological exploration, due to objective reasons, generally single well steady flow pumping test. After the pumping test is finished, the steady-stream pumping test data and the water level recovery data are used to calculate the hydrogeological parameters of the aquifer, such as the permeability coefficient K, the influence radius R and the water transfer coefficient T, and the hydrogeological parameters Unit water inflow and other data, to provide a data theory basis for evaluating the water-rich degree of Guicun area in Xuchang. At the same time, this paper provides a reference method for the evaluation of similar water-richness through the introduction of the evaluation method of extremely rich water for pumping test data.