For constant head laboratory test on fine sand, the following values are obtained. Length of specimen Diameter of specimen 10 inches 2.5 inches 22 inches 0.044 cubic inches Head difference Water collected in 2minutes Void ratio of soil sample 0.34 a) Calculate the hydraulic conductivity of the sample in in/min. b) Calculate the discharge velocity c) Calculate the seepage velocity

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Laboratory Determination of Hydraulic Conductivity

Hydraulic conductivity is the measure of flowability of water inside the soil in the presence of a hydraulic gradient. The hydraulic gradient is defined as the difference in the water heads in the soil, which induces a water motion. In simple terms, a hydraulic gradient is the presence of a potential that induces a flow of water.