Five different particle sizes are mixed in proportions shown below and water is added to make the volume of soil suspension exactly equal to 1000 cc. Particle size, mm Weight, g 0.060 0.020 0.010 0.005 0.001 5 15 20 4 6 The particles have a specific gravity of 2.65 and the dynamic viscosity of water is 8.95 millipoises. Y can be taken as 1.0 g/cc. The soil suspension was thoroughly shaken and sedimentation allowed. What is the largest particle size present at a depth of 10 cm after 8 minutes of the start of sedimentation? What is the specific gravity of the soil suspension at a depth of 10cm after 8 minutes of the start of sedimentation?

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter6: Soil Compaction
Section: Chapter Questions
Problem 6.9P
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Five different particle sizes are mixed in proportions shown below and water is
added to make the volume of soil suspension exactly equal to 1000 cc.
Particle size, mm
Weight, g
0.060
0.020
0.010
0.005
0.001
5
15
20
4
The particles have a specific gravity of 2.65 and the dynamic viscosity of water is
8.95 millipoises. Y can be taken as 1.0 g/cc.
The soil suspension was thoroughly shaken and sedimentation allowed.
What is the largest particle size present at a depth of 10 cm after 8 minutes of the
start of sedimentation?
What is the specific gravity of the soil suspension at a depth of 10cm after 8 minutes
of the start of sedimentation?
Transcribed Image Text:Five different particle sizes are mixed in proportions shown below and water is added to make the volume of soil suspension exactly equal to 1000 cc. Particle size, mm Weight, g 0.060 0.020 0.010 0.005 0.001 5 15 20 4 The particles have a specific gravity of 2.65 and the dynamic viscosity of water is 8.95 millipoises. Y can be taken as 1.0 g/cc. The soil suspension was thoroughly shaken and sedimentation allowed. What is the largest particle size present at a depth of 10 cm after 8 minutes of the start of sedimentation? What is the specific gravity of the soil suspension at a depth of 10cm after 8 minutes of the start of sedimentation?
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