Q-7 The following figure shows the flow net for seepage of water around a single row of sheet piles driveninto a permeable layer. Calculate the factor of safety against downstream heave, given that ysat for thepermeable layer = 17.7 kN/m3. (Note: Thickness of permeable layer T= 18 m)Sheet pileH1 = 10 mH, = 1.5 m6 mYsat = 17.7 kN/m³Heave zoneImpermeable layer

Answered: Image /qna-images/answer/913f9258-5ed1-4526-8837-4bb8cfe4be40.jpg

Answered: Q-7 The following figure shows the flow…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.4P

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Draw a flow net for the single row of sheet piles driven into a permeable layer as shown in Figure below Given: H₁ = 3 m H₂ = 0.5m calculate the seepage loss per meter length of the sheet pile (at right angles to the cross section shown). H₁ 3 D = 1.5 m D₁ = 3.75 m D₁ -Sheet pile k= 4 x 10-4cm/sec Impermeable layer
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4- For the weir shown in Figure below, calculate the seepage in the permeable layer in ft/day/ft for (a) x'= 1 ft and (b) x'= 2 ft. Use Harr, 1962. 8 ft 4 ft + Sheet pile k = 10-3 ft /sec Permeable layer Impermeable layer
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