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Groundwater in confined aquifer was pumped at constant rate through base plate of a vertical well without penetrating overlying aquiclude, a mathematical model for seepage in confined aquifer was developed, and by technique of integral transforms of Hankel Transformation and Laplace Transformation respectively, the analytical solution was attained. By a numerical example, the seepage of groundwaAter was analyzed, and some conclusions were derived: (1) The drawdown of hydraulic head in the confined aquifer decreases with the depth and with the distance away from pumping well; (2) The effect of base plate size of pumping well on the drawdown of hydraulic head is finite and mainly converges on the vicinity of base plate of pumping well; (3) The resistance coefficient of leakage B remarkably affects the distribution of drawdown, and the smaller B leads to more water leaking from aquiclude into the confined aquifer to reduce amplitude of drawdown in confined aquifer due to pumping Keywords-groundwater; confined aquifer; anlytical solution; nonpenetrating well; integral transfomation

Mathematical Model and Analytical Solution for Groundwater Seepage in Confined Aquifer Subjected to Well Pumping without Penetrating Overlying Aquiclude