2011•Advanced materials researchOpen access

Drawdown Cone Volume of Pumping Well in Non-Leaky Confined Aquifer

Jian Min Yang, Jun Jie Han

Abstract

Drawdown cone volume of pumping well reflects the hydro geological conditions of aquifer, such as hydraulic parameters and elastic storage for confined aquifer. During later period of pumping test in non-leaky confined aquifer, the relationship between drawdown and distance appears as straight line in plots figure, and the relationship between drawdown and time appears as straight line in plots figure. Based on Theis solution, through analyzing of the slope of curves , and integrating, volume of drawdown cone of pumping well in non-leaky confined aquifer was derived in this paper.

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Key concepts: Aquifer, Drawdown (hydrology), Aquifer test, Cone of depression, Geology, Volume (thermodynamics), Geotechnical engineering, Water well