A Method and Equipment for Continuously Testing the Permeability Coefficient of Rock and Soil Layers

<div>Schematic diagram of continuous detection by the steady-flow pumping test. 1- pumping test hole; 2- observation borehole I; 3- observation borehole II; 4- turbine current meter; 5- water level monitor ①; 6- water level monitor ②; 7- electric cable; 8- pumping device; 9- stepper motor; and 10- computer.</div>

Advances in Civil Engineering

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Figure 2

Figure 2: A Method and Equipment for Continuously Testing the Permeability Coefficient of Rock and Soil Layers 