Problem 7 (20 points) For the soil and preloading conditions as show below, you should assume that the sand is drained a

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Problem 7 20 Points For The Soil And Preloading Conditions As Show Below You Should Assume That The Sand Is Drained A 1 (104.09 KiB) Viewed 25 times

Problem 7 (20 points) For the soil and preloading conditions as show below, you should assume that the sand is drained above and below (double drainage). Surcharge loading Sand Y = 20 kN/m om Normally Consolidated Clay Ye = 18 kN/m C45m/year C = 0.25 C=0.02 =12 a) Calculate the time it will take take the clay layer to reach 90% consolidation after application of 100 kPa surcharge b) Calculate the time it will take take the clay layer to reach 90% consolidation after application of 100 kPa surcharge if vertical drains are added on a 3 meter spacing 1 Problem 8 (20 points) Fora soil with a CBR = 3, a single wheel load = 89 KN 2,000 passes & we can accept 2 to 4 inch ruts, calculate the thickness of the aggregate base required if: a) no geotextile is used b) a geotextile is used 1061 Words LE English (United States) MacBook Air esc F2 BO F3 F4 F5 F6 F7 11 ।। ! 7 @ 2 # 3 $ 4 A % 5 * * & 7 6 8 Q W E R T Y U D ock S D F G H J