Question.2 : A soil sample 25 cm in height and 10 cm in diameter, was tested under a constant head of 40 cm. The quantity of water collected after 13 minutes was equal to 700 ml. The soil has a saturated water content of 18% and a specific gravity of soil solids as 2.7. Calculate: 1. The hydraulic conductivity of the soil in cm/sec. 2. The seepage velocity during the test 3. The maximum exit hydraulic gradient If a dam is founded on this soil. Take a desired factor of safety of 3 against piping.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Question.2 : A soil sample 25 cm in height and 10 cm in diameter, was tested under a constant head of 40 cm. The quantity of water
collected after 13 minutes was equal to 700 ml. The soil has a saturated water content of 18% and a specific gravity of soil solids as 2.7.
Calculate:
1. The hydraulic conductivity of the soil in cm/sec.
2. The seepage velocity during the test
3. The maximum exit hydraulic gradient If a dam is founded on this soil. Take a desired factor of safety of 3 against piping.
Transcribed Image Text:Question.2 : A soil sample 25 cm in height and 10 cm in diameter, was tested under a constant head of 40 cm. The quantity of water collected after 13 minutes was equal to 700 ml. The soil has a saturated water content of 18% and a specific gravity of soil solids as 2.7. Calculate: 1. The hydraulic conductivity of the soil in cm/sec. 2. The seepage velocity during the test 3. The maximum exit hydraulic gradient If a dam is founded on this soil. Take a desired factor of safety of 3 against piping.
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