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

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A sketch of a transformed flow net in x-direction under a dam is shown in Figure, the soil
has k = 4x10-8 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)
12 ft
Concrete dam
4 ft
Water
1.5 ft water
5 ft
Impervious clay
150
Co
Transcribed Image Text:24 A sketch of a transformed flow net in x-direction under a dam is shown in Figure, the soil has k = 4x10-8 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) 12 ft Concrete dam 4 ft Water 1.5 ft water 5 ft Impervious clay 150 Co
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