A constant - head permeameter as in Figure Q5 has a sample of medium - grained sand 15 cm in length ( L ) and 25 cm2 in cross - sectional area . With a head of 5.0 cm ) , a total of 100 mL of water collected in 12 min . Find the hydraulic n(h a (Q) conductivity . Constant water level.

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Q: In a constant-head permeability test. A test gives these values: •L= 25 cm •A = 160 area of the…

A: Given that: Length of soil sample, L=25cmArea of the specimen, A=160 cm2Constant head, h=1m=100…

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A: B = 20 mr1  = 100 mr2  = 1000 mQ = 0.2 m3/ min.S1 = 8 mS2  = 2mRw = 12m = 0.5 m

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Q: Area of the standpipe = 1.3 cm? Head difference at time t = 0 is 760 mm %3D Head difference at time…

A: L= 500 mm = 50 cm a= 1.3 cm2 A= 26 cm2 h1= 760 mm, t1= 0 h2= 300mm, t2= 10 minutes

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.