**I have solved 5.20 and found s = .007. the question i need help with is as follows: Determine the change in pressure head (in m) in the aquifer if 1,320,000 cubic meters of water are extracted from the aquifer, assuming an area of 1200 km2 **5.20** A confined aquifer has an average thickness of 150 ft and a porosity of 0.35. If the compressibility of water is \(3 \times 10^{-6}\) in.\(^2\)/lb and the compressibility of material is \(2.5 \times 10^{-6}\) in.\(^2\)/lb, what is the storage coefficient of the aquifer?

S = 0.007 V = 1,320,000 m3A = 1200 km2 We know, where, V = volume = 1,320,000 m3 A = area = 1200 km2 or 1200 x 106 m2Putting values,=> = => h = 0.157 m Change in pressure head is 0.157 m

Answered: Determine the change in pressure head…

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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**I have solved 5.20 and found s = .007. the question i need help with is as follows: Determine the change in pressure head (in m) in the aquifer if 1,320,000 cubic meters of water are extracted from the aquifer, assuming an area of 1200 km2

**5.20** A confined aquifer has an average thickness of 150 ft and a porosity of 0.35. If the compressibility of water is \(3 \times 10^{-6}\) in.\(^2\)/lb and the compressibility of material is \(2.5 \times 10^{-6}\) in.\(^2\)/lb, what is the storage coefficient of the aquifer?

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