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Prob 3 Pumping test was carried out in a layer of soil extending to a depth of 28 m. The initial position of the water table is located 4m below the ground. Observation wells were sighted 33.5m & 97.5m from the pumping well. Water is pumped at 248.4 m³/hr and when steady levels were attained, the drawdowns at the observation wells were observed to be lilm and 0.54m respectively. @Draw the diagram showing the unconfined aquifer, pumping & observation wells, and the water levels 6 Compute the couff. of permability

Prob 3 Pumping test was carried out in a layer of soil extending to a depth of 28 m. The initial position of the water table is located 4m below the ground. Observation wells were sighted 33.5m & 97.5m from the pumping well. Water is pumped at 248.4 m³/hr and when steady levels were attained, the drawdowns at the observation wells were observed to be lilm and 0.54m respectively. @Draw the diagram showing the unconfined aquifer, pumping & observation wells, and the water levels 6 Compute the couff. of permability

Structural Analysis
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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From a constant head test on. fine sand, the following data were recrded.

Prob 3 Pumping test was carried out in a layer of soil extending to a depth of 28 m. The initial position of the water table is located 4m below the ground. Observation wells were sighted 33.5m & 97.5m from the pumping well. Water is pumped at 248.4 m³/hr and when steady levels were attained, the drawdowns at the observation wells were observed to be lilm and 0.54m respectively. @Draw the diagram showing the unconfined aquifer, pumping & observation wells, and the water levels 6 Compute the coeff. of permability *2 )
Transcribed Image Text:Prob 3 Pumping test was carried out in a layer of soil extending to a depth of 28 m. The initial position of the water table is located 4m below the ground. Observation wells were sighted 33.5m & 97.5m from the pumping well. Water is pumped at 248.4 m³/hr and when steady levels were attained, the drawdowns at the observation wells were observed to be lilm and 0.54m respectively. @Draw the diagram showing the unconfined aquifer, pumping & observation wells, and the water levels 6 Compute the coeff. of permability *2 )
PERLY cel Theology-Madriaga PE B&W Andrade UCSP-Dela Cruz, C. Statistics - Manaiang C.Arts-Abiva FABM-Pialda Fil 112-De Torres P. Science Enrius Probl From a constant head test cn. fine Sand, the following data were recorded: Length of Sample Diameter of sample Constant head difference Vol. of water collected in 4 min. 16 cm 9,6cm 50 cm 420 cc Determine the following: @Coefficient of Permeability in cm/s 6 Discharge Velocity in cm/s - If e=0.ss, seepage Velocity in cm ст Prob 2 A falling head test is performed on a Sample soil. The standpipe having a diameter 0.2 cm is observed and it takes 60 seconds for the water to drop by 50 cm from an initial hydraulic head of 90 cm. The sample has a length of 20 cm and a diameter of 4 cm. 6 t Find the coef. of permeability Solve for the hydraulic gradient Rate of flow in the soil.
Transcribed Image Text:PERLY cel Theology-Madriaga PE B&W Andrade UCSP-Dela Cruz, C. Statistics - Manaiang C.Arts-Abiva FABM-Pialda Fil 112-De Torres P. Science Enrius Probl From a constant head test cn. fine Sand, the following data were recorded: Length of Sample Diameter of sample Constant head difference Vol. of water collected in 4 min. 16 cm 9,6cm 50 cm 420 cc Determine the following: @Coefficient of Permeability in cm/s 6 Discharge Velocity in cm/s - If e=0.ss, seepage Velocity in cm ст Prob 2 A falling head test is performed on a Sample soil. The standpipe having a diameter 0.2 cm is observed and it takes 60 seconds for the water to drop by 50 cm from an initial hydraulic head of 90 cm. The sample has a length of 20 cm and a diameter of 4 cm. 6 t Find the coef. of permeability Solve for the hydraulic gradient Rate of flow in the soil.
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