For a falling head laboratory test, the following are the given values: 480.0 mm Length of soil specimen • Initial head • Final head 700.00 mm 395.00 mm Duration of test 5.5 mins Area of standpipe Area of specimen 0.97 sq.cm 18.0 sq.cm A. Compute for the hydraulic conductivity of the soil in cm/sec. B. Determine the head di fference at t - 3.50 mins.

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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.