Problem 2 Figure shows the layers of soil in a tube 100 mm x 100 mm in cross-section water is supplied to maintain a constant head difference of 400 mm across the sample. The hydraulic conductivities of the soils in the direction of flow through them are as follows: Compute the rate of supply in cm³/hr. Water supply OO Direction of flow 400 € A: B K=10K-3x10-K 5x104 em séc. cm/sec. cm/sec. 200 200 200 mm ננות נתות 600 ונות Out flow 100 100

Problem 2 Figure shows the layers of soil in a tube 100 mm x 100 mm in cross-section water is supplied to maintain a constant head difference of 400 mm across the sample. The hydraulic conductivities of the soils in the direction of flow through them are as follows: Compute the rate of supply in cm³/hr. Water supply OO Direction of flow 400 € A: B K=10K-3x10-K 5x104 em séc. cm/sec. cm/sec. 200 200 200 mm ננות נתות 600 ונות Out flow 100 100

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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3. Figure below shows layers of soil in a tube that is 100mm x 100mm in cross section. Water is supplied at a constant head difference of 400 mm across the sample. The hydraulic conductivities of the soils in the direction of flow through them are as follows. k (cm/sec) 1X10-2 Porosity, n (%) 25 Soil A В ЗX10-3 32 4.9X10-4 22
The data from a falling-head test on a silty clay are: Cross sectional area of soil = 1000 mm^2 Length of soil sample = 200 mm Area of stand pipe = 40 mm^2 Head difference at time t = 0 is 500 mm Head difference at time t = 3 min is 300 mm a) Determine the hydraulic conductivity of the soil in cm/sec. b) What is the head difference at time t = 100 sec in mm
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