A well with a 0.25-m diameter fully penetrates an unconfined aquifer that is 20 m thick. The well has a discharge of 0.015 m ・ s−1 and a drawdown of 8 m. If the flow is steady and the hydraulic conductivity is 1.5 × 10−4 m ・ s−1, what is the height of the piezometric surface above the confining layer at a site 80 inches from the well?

Structural Analysis
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Chapter2: Loads On Structures
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A well with a 0.25-m diameter fully penetrates an unconfined aquifer that is 20 m thick. The well has a discharge of 0.015 m ・ s−1 and a drawdown of 8 m. If the flow is steady and the hydraulic conductivity is 1.5 × 10−4 m ・ s−1, what is the height of the piezometric surface above the confining layer at a site 80 inches from the well?

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