Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 9, Problem 9.11P
To determine
Calculate the time taken for
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The time required for 50% consolidation of a 25 mm thick layer (drained at both top and bottom) in the laboratory is 2 min 20 sec.
How long in days will it take for a 3 m thick layer clay of the same clay in the field under the same pressure increment to reach 50% consolidation? In the field there is a rock layer at the bottom of the clay.
The time required for 50% consolidation of a 20 mm- thick clay layer(drained at both top and bottom) in the laboratory is 2min 50 sec. How long (in days) will it take for a 3-m- thick clay layer of the same clay in the field under the same pressure increment to reach 50% consolidation? In the field, there is a rock layer at the bottom of the clay.
3- The time for 65% consolidation of a 1.12-inch clay specimen (drained at top and bottom) in the laboratory is 12
minutes. How long will it take (in days) for a 15-ft-thick clay layer in the field to undergo 35% consolidation
under the same pressure increment? In the field, there is a rock layer at the bottom of the clay.
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Fundamentals of Geotechnical Engineering (MindTap Course List)
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- The time for 65% consolidation of a 19-mm clay specimen (drained at top and bottom) in the laboratory is 10 minutes. How long will it take for a 4-m-thick clay layer in the field to undergo 40% consolidation under the same pressure increment? In the field, there is a rock layer at the bottom of the clay.arrow_forwardThe time required for a 50% consolidation of a 25 mm thick layer (drained at both sides) in the laboratory is 2 min and 20 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 50% consolidation? In the field there is a rock layer at the bottom of the clay.arrow_forwardU two-wa Q3 The time for 65% consolidation of a 19-mm clay specimen (drained at top and bottom) in the laboratory is 10 minutes. How long will it take for a 4-m-thick clay layer in the field to undergo 40% consolidation under the same pressure increment? In the field, there is a rock layer at the bottom of the clay.arrow_forward
- The time required for a 50% consolidation of a 25mm thick layer drained both sides is 2 min 20 seconds. • How long (days) will it take for a 3m thick clay layer of the same clay in the field under the same pressure increment to reach 50% consolidation? In the field, there is a rock layer at the bottom of the clay• How long in days will it take to reach 30% consolidation?• The predicted primary settlement for the lab specimen is 0.064mm. What is the average degree of consolidation when the settlement reached 0.02mm?arrow_forwardThe time for 75% consolidation of a 25 mm clay specimen (drained at top and bottom) in the laboratory is 22 minutes. How long will it take for a 6 m thick clay layer (same clay) in the field to undergo 55% consolidation under the same pressure increment? In the field, there is a rock layer at the bottom of the clay layer.arrow_forwardThe time for 65% consolidation of a 19-mm clay specimen (drained at top and bottom) in the laboratory is 10 minutes. How long will it take for a 4-m-thick clay layer in the field to undergo 40% consolidation under the same pressure increment? In the field, there is a rock layer at the bottom of the clay.arrow_forward
- The time required for a 50% consolidation of a 25 mm thick layer (drained at both and bottom) in the laboratory is 2min. 20 sec. a.) How long in days will it take for a 3 m. thick clay layer of the same clay in the field under the same pressure increment to reach 50% consolidation? In the field, there is a rock layer at the bottom of theclay. b.) How long in days will it take in the field for 30% primary consolidation to occur? c.) From the application of given pressure the anticipated primaryconsolidation settlement is 0.064 mm. What is the average degree of consolidation for the clay layer when the settlement is 0.02 mm?arrow_forward11.15 The time for 65% consolidation of a 19-mm clay specimen (drained at top and bottom) in the laboratory is 10 minutes. How long will it take for a 4-m-thick clay layer in the field to undergo 40% consolidation under the same pressure increment? In the field, there is a rock layer at the bottom of the clay. 11.16 A 3.75 m clay layer in the field (drained on one side) is normally consoarrow_forwardShow sol. The answer must be A. 768 days B. 1571.15 darrow_forward
- The results of a laboratory consolidation test on a clay specimen are the following. Pressure, ir (lb/ft²) 500 1.000 2.000 4.000 8,000 16.000 Total height of specimen at end of consolidation (in.) 0.6947 0.6850 0.6705 0.6520 0.6358 0.6252 Given the initial height of specimen = 0.748 in.. G specimen = 95.2 g. and area of specimen = 4.91 in.²: a. Plot the e-log or curve = 2.68. mass of dry b. Determine the preconsolidation pressure c. Calculate the compression index, C.arrow_forwardW1arrow_forwardQ1- In an Odometer test a specimen of saturated clay 26 mm thick reaches 58% consolidation in 31 min. How long would it take a layer of this clay 5.8 m thick to reach the same degree of consolidation under the same stress and drainage condition? How long would it take the layer to reach 68% consolidation? What is the degree of consolidation after 2 and 28 years?arrow_forward
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