A soil sample 10 cm in diameter is placed in a tube Im long. A constant supply of water is allowed to flow into one end of the soil at A and the outflow at B is collected by beaker. The average amount of water collected is 1 cm for every 10 seconds. Determine: a. Hydraulic gradient b. Flow rate c. Average velocity d. Seepage velocity, if e 0.6 e. Hydraulic conductivity 1 m 1 m 0.8 m Datum Table

A soil sample 10 cm in diameter is placed in a tube Im long. A constant supply of water is allowed to flow into one end of the soil at A and the outflow at B is collected by beaker. The average amount of water collected is 1 cm for every 10 seconds. Determine: a. Hydraulic gradient b. Flow rate c. Average velocity d. Seepage velocity, if e 0.6 e. Hydraulic conductivity 1 m 1 m 0.8 m Datum Table

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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Question

A soil sample 10 cm in diameter is placed in a tube Im long. A constant supply of water is allowed to
flow into one end of the soil at A and the outflow at B is collected by beaker. The average amount of
water collected is 1 cm for every 10 seconds. Determine:
a. Hydraulic gradient
b. Flow rate
c. Average velocity
d. Seepage velocity, if e 0.6
e. Hydraulic conductivity
1 m
1 m
0.8 m
Datum
Table

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A 15 cm vertical soil sample is taken and placed in constant head permeameter. The surface area of the soil sample is 20 cm2. h1 is measured at 25 cm and h2 is 10 cm. The water that flows through the soil sample has a constant discharge and 95 cm3 is collected in 15 minutes. Calculate the hydraulic conductivity of the soil sample. What kind of soil you think this is?
A well was constructed to pump water from a confined aquifer. Two observation wells were constructed at distances of 350 m and 800m respectively. At a steady pumping rate of 0.39 m^3/min, the drawdown in the observation wells were respectively equal to 1.6 m and 7.8 m. Diameter of the test well is 0.95 m and thickness of confined aquifer is 16 m. a. Determine the hydraulic conductivity of the soil in m/min. (IN EXPONENTIAL FORM AND IN 2 DECIMAL PLACES) b. Determine the drawdown at the test well in m. (IN 2 DECIMAL PLACES) c. What is the value of the transmissivity of the confined aquifer in m^2/day? (IN 2 DECIMAL PLACES)
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Answer Question 7
Soil mechanics
A soil sample is placed in a 1m long and 10cm diameter tube. A constant supply of water is allowed to flow from inlet to outlet. The total water head at the inlet is 2m and the total water head at the outlet is 1m. The hydraulic conductivity is 0.001 cm/s. Which of the following answer is correct? O a. The flow velocity is 0.001 cm/s Ob. The flow velocity is 25 cm/s c. The hydraulic gradient in the tube is 2 Od. The hydraulic gradient in the tube is 0.001
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