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Question 12 3 points Saved It takes 50 years for a 25 m clay deposit which is only drained at top...
The time for 50% consolidation of a 25 mm thick clay specimen (drained at top and bottom) in the laboratory is 1...
The time for 50% consolidation of a 25 mm thick clay specimen (drained at top and bottom) in the laboratory is 150 sec. How long (in days) will it take for a 3 m thick layer of the same clay in the field under the same pressure increment to reach 75% consolidation? There is an impermeable shale layer at the bottom of the clay layer in the field I. 2. Use Figure 1 for the following Compute the vertical effective...
1. An 8-m thick normally consolidated clay layer is doubly drained as shown below. (This means...
1. An 8-m thick normally consolidated clay layer is doubly drained as shown below. (This means that a very pervious layer compared to the clay exists on top of and under the clay layer) The embankment applied an average vertical stress increase of 100 kPa to the clay layer. The water table is located at the mid depth of the sand layer. Assume the sand above the water table is dry 0 Pore water pressure, u (kPa) 20 40 60...
help with problems 1 & 2 please and explain Problem 1 A deposit of Swedish clay...
help with problems 1 & 2 please and explain
Problem 1 A deposit of Swedish clay is 15 m thick drained at both top and bottom. The coefficient of consolidation for the clay layer was estimated to be 1 x 10 cm/sec from laboratory test. The ultimate consolidation settlement (Sc) was calculated under the applied load in the field and was found 80 cm. Find the following: a) How long would it take for settlement of 40 cm and 70...
Question 5 (20 marks) A I-m thick, c applied on the top surface of the clay using Sheepsfoot rollers t Ily-saturate...
Question 5 (20 marks) A I-m thick, c applied on the top surface of the clay using Sheepsfoot rollers t Ily-saturated clay is resting on a dry sand when a uniform load of 200 kN/m2 is expedite consolidation process For the saturated clay layer, the initial void ratio of 5.0, specific gravity of 2.65, pre-consolidation ression index of 0.2, and the stress of 20 kN/m2: the compression index of 0.5, the recomp coefficient of consolidation of 0.001 cm2 s" a)...
The time for 50% consolidation of a 25 mm thick clay specimen (drained at top and bottom) in the laboratory is 150 sec. How long (in days) will it take for a 3 m thick layer of the same clay in the field under the same pressure increment to reach 75% consolidation? There is an impermeable shale layer at the bottom of the clay layer in the field I. 2. Use Figure 1 for the following Compute the vertical effective...
1. An 8-m thick normally consolidated clay layer is doubly drained as shown below. (This means that a very pervious layer compared to the clay exists on top of and under the clay layer) The embankment applied an average vertical stress increase of 100 kPa to the clay layer. The water table is located at the mid depth of the sand layer. Assume the sand above the water table is dry 0 Pore water pressure, u (kPa) 20 40 60...
help with problems 1 & 2 please and explain
Problem 1 A deposit of Swedish clay is 15 m thick drained at both top and bottom. The coefficient of consolidation for the clay layer was estimated to be 1 x 10 cm/sec from laboratory test. The ultimate consolidation settlement (Sc) was calculated under the applied load in the field and was found 80 cm. Find the following: a) How long would it take for settlement of 40 cm and 70...
Question 5 (20 marks) A I-m thick, c applied on the top surface of the clay using Sheepsfoot rollers t Ily-saturated clay is resting on a dry sand when a uniform load of 200 kN/m2 is expedite consolidation process For the saturated clay layer, the initial void ratio of 5.0, specific gravity of 2.65, pre-consolidation ression index of 0.2, and the stress of 20 kN/m2: the compression index of 0.5, the recomp coefficient of consolidation of 0.001 cm2 s" a)...
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