Question 1: * A 300 mm diameter test well penetrates a 27 m thick sand layer below the static water table. After 24 hours of pumping at 50 liters per second, the water level in an observation well at a distance of 100 m from the test well is lowered 0.5 m. At another test well located 50 m from the test well, the water level dropped by 1.0 m. Estimate the rate of flow in cubic meters per day. Evaluate the coefficient of permeability of the aquifer in meters per day.
Question 1: * A 300 mm diameter test well penetrates a 27 m thick sand layer below the static water table. After 24 hours of pumping at 50 liters per second, the water level in an observation well at a distance of 100 m from the test well is lowered 0.5 m. At another test well located 50 m from the test well, the water level dropped by 1.0 m. Estimate the rate of flow in cubic meters per day. Evaluate the coefficient of permeability of the aquifer in meters per day.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Subject: Hydrology
Transcribed Image Text:Question 1:
* A 300 mm diameter test well penetrates a 27 m thick sand layer below the static water table. After 24
hours of pumping at 50 liters per second, the water level in an observation well at a distance of 100 m
from the test well is lowered 0.5 m. At another test well located 50 m from the test well, the water level
dropped by 1.0 m.
o Estimate the rate of flow in cubic meters per day.
o Evaluate the coefficient of permeability of the aquifer in meters per day.
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