A well in an infinite confined aquifer (transmissivity = 30 m²/h and aquifer storativity = 0.005) has a pumping pattern as shown below. Find the drawdown in an observation well 50m away in hourly time steps to 20 hours. Use Cooper Jacob approximation only for u = ST-2 4TT <0.01.

A well in an infinite confined aquifer (transmissivity = 30 m²/h and aquifer storativity = 0.005) has a pumping pattern as shown below. Find the drawdown in an observation well 50m away in hourly time steps to 20 hours. Use Cooper Jacob approximation only for u = ST-2 4TT <0.01.

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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Concept explainers

Groundwater Flow

The term groundwater refers to the water which is found beneath the earth's surface. Pores present in the soil and rocks with fractures make a passage for rainwater to enter the earth's surface and deposit as groundwater. The flow nature and direction of groundwater under the earth's surface directly impacts the strength and compressibility of the soil, which reflects its ability to support structural loads.

Question

Do not give answer in image and hand writing

2. A well in an infinite confined aquifer (transmissivity =30 m²/h and aquifer storativity =
0.005) has a pumping pattern as shown below. Find the drawdown in an observation well
50m away in hourly time steps to 20 hours. Use Cooper Jacob approximation only for
Sr.²
<0.01.
u =
4Tt
1000
Pumping rate (m^3/h)
750
500
250
0
0
1
2
3
4
5
6
7
8
Time (h)

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