A sketch of a transformed flow net in x-direction under a dam is shown in Figure, the soil has k = 4x10 $ ft/sec and ky = 1x108 ft/sec. use yw = 62.4 Ib/ft (a) Determine the flow rate under the dam, (b) Determine the porewater pressures at A and B, (c) Determine the natural length of the dam base (d) Determine the effective stress at point C (if e 0.7 and Gs = 2.7) %3D %3D 12 ft Concrete dam 4 ft Water 1.5 ft water 5 ft C Impervious clay

A sketch of a transformed flow net in x-direction under a dam is shown in Figure, the soil has k = 4x10 $ ft/sec and ky = 1x108 ft/sec. use yw = 62.4 Ib/ft (a) Determine the flow rate under the dam, (b) Determine the porewater pressures at A and B, (c) Determine the natural length of the dam base (d) Determine the effective stress at point C (if e 0.7 and Gs = 2.7) %3D %3D 12 ft Concrete dam 4 ft Water 1.5 ft water 5 ft C Impervious clay

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter8: Seepage

Section: Chapter Questions

Problem 8.12P

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