7.17 The grain-size analysis data for a sand is given in the following table. Estimate the hydraulic conductivity of the sand at a void ratio of 0.77. Use Eq. (7.30) and SF = 6.5. U.S. sieve no. Percent passing 30 100 40 85 60 64 100 32 200 3 100% fi ()() k = 1.99 × 10 (7.30) D0.404 X D0595

7.17 The grain-size analysis data for a sand is given in the following table. Estimate the hydraulic conductivity of the sand at a void ratio of 0.77. Use Eq. (7.30) and SF = 6.5. U.S. sieve no. Percent passing 30 100 40 85 60 64 100 32 200 3 100% fi ()() k = 1.99 × 10 (7.30) D0.404 X D0595

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.17P

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Question

Problem 7.17

7.17 The grain-size analysis data for a sand is given in the following table.
Estimate the hydraulic conductivity of the sand at a void ratio of 0.77. Use
Eq. (7.30) and SF = 6.5.
U.S. sieve no.
Percent passing
30
100
40
85
60
64
100
32
200
3
100%
fi
(F) (1)
k = 1.99 x 10
(7.30)
D0.404 X D0.595
Σ-

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