2.10 A particle size analysis on a soil sample yields the fol- lowing data: Sieve no. 3/8" 4 10 20 60 200 Pan Sieve size (mm) Mass retained (grams) 9.53 4.75 2.0 0.84 0.25 0.074 - 310 580 380 260 680 210 (a) Plot the particle size distribution curve. (b) Determine the amount of coarse-grained and fine- grained soils in the sample.
2.10 A particle size analysis on a soil sample yields the fol- lowing data: Sieve no. 3/8" 4 10 20 60 200 Pan Sieve size (mm) Mass retained (grams) 9.53 4.75 2.0 0.84 0.25 0.074 - 310 580 380 260 680 210 (a) Plot the particle size distribution curve. (b) Determine the amount of coarse-grained and fine- grained soils in the sample.
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter2: Origin Of Soil And Grain Size
Section: Chapter Questions
Problem 2.2CTP: Refer to Problem 2.C.1. Results of the sieve analysis for Soils A, B, and C are given below. To...
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![2.10 A particle size analysis on a soil sample yields the fol-
lowing data:
Sieve no.
3/8"
4
10
20
60
200
Pan
Sieve size (mm)
Mass retained (grams)
9.53 4.75 2.0
0.84 0.25 0.074
310 580
380 260 680
210
(a) Plot the particle size distribution curve.
(b) Determine the amount of coarse-grained and fine-
grained soils in the sample.
2.11 The following results were obtained from sieve analyses
of two soils:
Sieve no.
Opening (mm)
Soil A
Soil B
4
4.75
10
2.00
20.2
48.2
20
0.85
25.7
19.6
40
0.425
40.4
60.3
100
0.15
18.1
37.2
200
0.075
27.2
22.1
Pan
68.2
5.6
Hydrometer tests of these soils give the following re-
sults: Soil A, % finer than 0.002 mm = 48%; Soil B, %
finer than 0.002 mm = 2%.
(a) Plot the gradation curve for each soil on the same
graph.
(b) How much coarse-grained and fine-grained soils
are in each soil?
(c) What are the percentages of clay and silt in each
soil?
(d) Determine D10 for each soil.
(e) Determine the uniformity coefficient and the coef-
ficient of concavity for each soil.
(f) Describe the gradation curve (e.g., well graded) for
each soil.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F49afb7df-f709-4dd2-b9c6-c954a26c9558%2F35d6e520-dcf6-4164-9f5f-2e791a6e6e23%2F2odzi1q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.10 A particle size analysis on a soil sample yields the fol-
lowing data:
Sieve no.
3/8"
4
10
20
60
200
Pan
Sieve size (mm)
Mass retained (grams)
9.53 4.75 2.0
0.84 0.25 0.074
310 580
380 260 680
210
(a) Plot the particle size distribution curve.
(b) Determine the amount of coarse-grained and fine-
grained soils in the sample.
2.11 The following results were obtained from sieve analyses
of two soils:
Sieve no.
Opening (mm)
Soil A
Soil B
4
4.75
10
2.00
20.2
48.2
20
0.85
25.7
19.6
40
0.425
40.4
60.3
100
0.15
18.1
37.2
200
0.075
27.2
22.1
Pan
68.2
5.6
Hydrometer tests of these soils give the following re-
sults: Soil A, % finer than 0.002 mm = 48%; Soil B, %
finer than 0.002 mm = 2%.
(a) Plot the gradation curve for each soil on the same
graph.
(b) How much coarse-grained and fine-grained soils
are in each soil?
(c) What are the percentages of clay and silt in each
soil?
(d) Determine D10 for each soil.
(e) Determine the uniformity coefficient and the coef-
ficient of concavity for each soil.
(f) Describe the gradation curve (e.g., well graded) for
each soil.
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