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Laboratory tests on a 2.5 cm thick clay sample that is drained on both sides indicates...
Q1) An oedometer test was performed on a 2 cm thick clay sample drained on both...
Q1) An oedometer test was performed on a 2 cm thick clay sample drained on both sides taken from the mid clay layer shown below , after 10 minutes 50% consolidation is reached. a) How long time in days would the same degree of consolidation(50%) be reached in the field ?. b) How much the Final settlement would be reached in the clay layer.? c) How much the preconsolidation pressure of a specimen. ? 3m 2m Sand surcharge Y= 17...
soil Q1) An oedometer test was performed on a 2 cm thick clay sample drained on...
soil
Q1) An oedometer test was performed on a 2 cm thick clay sample drained on both sides taken from the mid clay layer shown below, after 10 minutes 50% consolidation is reached . a) How long time in days would the same degree of consolidation(50%) be reached in the field ?. b) How much the Final settlement would be reached in the clay layer.? c) How much the preconsolidation pressure of a specimen. ? 3m 2m Sand surcharge Y...
soil mechanics Q1) An oedometer test was performed on a 2 cm thick clay sample drained...
soil mechanics
Q1) An oedometer test was performed on a 2 cm thick clay sample drained on both sides taken from the mid clay layer shown below, after 10 minutes 50% consolidation is reached. a) How long time in days would the same degree of consolidation(50%) be reached in the field ? b) How much the final settlement would be reached in the clay layer.? c) How much the preconsolidation pressure of a specimen. ? Sm 2m Sand surcharge y...
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...
Problem 3 In a laboratory consolidation test on a representative sample of cohesive soil, the original height of a d...
Problem 3 In a laboratory consolidation test on a representative sample of cohesive soil, the original height of a double-drained sample 50% consolidation was 5 min. The laboratory sample was taken from a soil layer which is 15 m thick in the field, doubly drained, and subjected to similar loading. How long will it take until the layer consolidates 50 %? b. If the final consolidation settlement is predicted to be 20 cm, how long will it take for a...
1. A 15 foot thick doubly drained layer of saturated clay under a surcharge loading underwent...
1. A 15 foot thick doubly drained layer of saturated clay under a surcharge loading underwent 90% primary consolidation in 120 days. The laboratory test's specimen will have two-way drainage a. Find the coefficient of consolidation for the pressure range b. For a 1.5 inch thick undisturbed clay specimen, how long will it take to undergo 90% consolidation in the laboratory for a similar pressure range?
3) A geotechnical analysis of a building site reveals that 5 m thick clay layer is...
3) A geotechnical analysis of a building site reveals that 5 m thick clay layer is underlain by impervious rock. A 50 mm thick sample of the soil is tested in a double drainage apparatus. During the test, 50% of the ultimate consolidation occurs in 30 min. What is the coefficient of consolidation? (b) How long will it take for the 5 m thick layer to achieve 90% of its ultimate primary consolidation?| (a)
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...
7) (Total 20 pts) The figure shows a 20 m thick layer of normally consolidated clay...
7) (Total 20 pts) The figure shows a 20 m thick layer of normally consolidated clay (Y -18.6 kN/m3) that is one-dimensionally loaded by Δσ,-50kPa. The clay layer is below a 3 m thick layer of granular fill (y = 19.6 kN/m3), and a dense, compacted glacial till (impermeable) underlies the clay. The water table is located at the top of the clay layer. A 1-D consolidation test is performed on a 2.20 cm thick, doubly drained specimen from the...
Question 12 3 points Saved It takes 50 years for a 25 m clay deposit which is only drained at top...
Question 12 3 points Saved It takes 50 years for a 25 m clay deposit which is only drained at top, to reach the final magnitude of consolidation settlement under a uniform load. If vertical drains with a simple square setup (b d -5.0 m) is installed in this deposit, how long will it take to reach the final magnitude of consolidation settlement Clay Bedrock (b). Rectangular configuration a.9 months b. 3 years c, 1 year and 3 months d.6...
Q1) An oedometer test was performed on a 2 cm thick clay sample drained on both sides taken from the mid clay layer shown below , after 10 minutes 50% consolidation is reached. a) How long time in days would the same degree of consolidation(50%) be reached in the field ?. b) How much the Final settlement would be reached in the clay layer.? c) How much the preconsolidation pressure of a specimen. ? 3m 2m Sand surcharge Y= 17...
soil
Q1) An oedometer test was performed on a 2 cm thick clay sample drained on both sides taken from the mid clay layer shown below, after 10 minutes 50% consolidation is reached . a) How long time in days would the same degree of consolidation(50%) be reached in the field ?. b) How much the Final settlement would be reached in the clay layer.? c) How much the preconsolidation pressure of a specimen. ? 3m 2m Sand surcharge Y...
soil mechanics
Q1) An oedometer test was performed on a 2 cm thick clay sample drained on both sides taken from the mid clay layer shown below, after 10 minutes 50% consolidation is reached. a) How long time in days would the same degree of consolidation(50%) be reached in the field ? b) How much the final settlement would be reached in the clay layer.? c) How much the preconsolidation pressure of a specimen. ? Sm 2m Sand surcharge y...
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...
Problem 3 In a laboratory consolidation test on a representative sample of cohesive soil, the original height of a double-drained sample 50% consolidation was 5 min. The laboratory sample was taken from a soil layer which is 15 m thick in the field, doubly drained, and subjected to similar loading. How long will it take until the layer consolidates 50 %? b. If the final consolidation settlement is predicted to be 20 cm, how long will it take for a...
1. A 15 foot thick doubly drained layer of saturated clay under a surcharge loading underwent 90% primary consolidation in 120 days. The laboratory test's specimen will have two-way drainage a. Find the coefficient of consolidation for the pressure range b. For a 1.5 inch thick undisturbed clay specimen, how long will it take to undergo 90% consolidation in the laboratory for a similar pressure range?
3) A geotechnical analysis of a building site reveals that 5 m thick clay layer is underlain by impervious rock. A 50 mm thick sample of the soil is tested in a double drainage apparatus. During the test, 50% of the ultimate consolidation occurs in 30 min. What is the coefficient of consolidation? (b) How long will it take for the 5 m thick layer to achieve 90% of its ultimate primary consolidation?| (a)
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...
7) (Total 20 pts) The figure shows a 20 m thick layer of normally consolidated clay (Y -18.6 kN/m3) that is one-dimensionally loaded by Δσ,-50kPa. The clay layer is below a 3 m thick layer of granular fill (y = 19.6 kN/m3), and a dense, compacted glacial till (impermeable) underlies the clay. The water table is located at the top of the clay layer. A 1-D consolidation test is performed on a 2.20 cm thick, doubly drained specimen from the...
Question 12 3 points Saved It takes 50 years for a 25 m clay deposit which is only drained at top, to reach the final magnitude of consolidation settlement under a uniform load. If vertical drains with a simple square setup (b d -5.0 m) is installed in this deposit, how long will it take to reach the final magnitude of consolidation settlement Clay Bedrock (b). Rectangular configuration a.9 months b. 3 years c, 1 year and 3 months d.6...
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