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CEG3011 HW 9

# CEG3011 HW 9 - Homework 9 CEG 3011 Spring 2010 Soil...

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Homework 9 CEG 3011 Spring 2010 Soil Mechanics Problem 1 The following Figure shows a soil profile. The uniformly distributed load on the ground surface is σ . 1. Estimate the primary settlement of clay layer given these values 2. How much consolidation will occur in 1 year if Cv = 0.0025m 2 /day 3. How long will take for 0.1 m of consolidation to occur H 1 = 1.5 m, H 2 = 2.0 m, H 3 = 2.5 m Sand: e = 0.62, G s = 2.62 Clay: e = 0.98, G s = 2.75, LL = 50 σ = 110 kN/m 2 σ Groundwater table H 1 H 2 H 3 Clay Void ratio = e Normally consolidated Sand Sand Sand

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Problem 2 If the clay layer in problem 1 is pre-consolidated and the average preconsolidation pressure is 80 kN/m 2 , what will be the expected primary consolidation settlement if c s C C 5 1 = Problem 3 The following Figure shows a soil profile. The uniformly distributed load on the ground surface is σ . 4. Estimate the primary settlement of clay layer given these values 5. How much consolidation will occur in 1 year if Cv = 0.05m 2 /day 6. How long will take for 0.1 m of consolidation to occur H 1 = 1.5 m,
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CEG3011 HW 9 - Homework 9 CEG 3011 Spring 2010 Soil...

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