Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Question
Chapter 2, Problem 2.14P
(a)
To determine
Find which of the soils has the largest percentage of gravels.
(b)
To determine
Calculate the percentage of sands in Soil C.
(c)
To determine
Find the presence of clay in any of the four soils.
(d)
To determine
Find if any specific range is missing in the soil A and provide the size range.
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Students have asked these similar questions
7. Following details regarding the particle size distribution and other index properties pertinent to the classification of soil. Choose three soils and classify
each soil according to USCS and AASHTO classification systems. When necessary, assume Cu = 4.48 and Cc = 1.22. Your solution may be presented in similar
form as what was included in your module 4.
Sieve Analysis (Percent Finer)
Soil No
Liquid Limit
Plastic Limit
No. 10
No. 40
No. 200
98
80
50
38
29
2
100
92
80
56
23
100
88
65
37
22
4
85
55
45
28
20
92
75
62
43
28
6
48
28
N.A.
NP
7
87
62
30
32
24
8
90
76
34
37
25
100
78
8
N.A.
NP
10
92
74
32
44
35
7. Following details regarding the particle size distribution and other index properties pertinent to the classification of soil. Choose three soils and classify
each soil according to USCS and AASHTO classification systems. When necessary, assume Cu = 4.48 and C = 1.22. Your solution may be presented in similar
form as what was included in your module 4.
Sieve Analysis (Percent Finer)
Soil No
Liquid Limit
Plastic Limit
No. 10
No. 40
No. 200
1
98
80
50
38
29
2
100
92
80
56
23
3
100
88
65
37
22
4
85
55
45
28
20
5
92
75
62
43
28
6
48
28
6
N.A.
NP
7
87
62
30
32
24
8
90
76
34
37
25
9
100
78
8
N.A.
NP
10
92
74
32
44
35
For an inorganic soil, the following grain size analysis is given
U.S sieve NO.
4
10
20
40
80
200
percent passing
100
90
64
38
18
13
For this soil , L.L = 23 and PL = 19 classify the soil according to:
a- The AASHTO soil classification system.
b- The unified soil classification system . Give group names and group
symbols.
Chapter 2 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 2 - Prob. 2.1PCh. 2 - Following are the results of a sieve analysis: a....Ch. 2 - For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60...Ch. 2 - For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60...Ch. 2 - Repeat Problem 2.2 with the following results of a...Ch. 2 - Repeat Problem 2.2 with the following results of a...Ch. 2 - The particle characteristics of a soil are given...Ch. 2 - Redo Problem 2.7 according to the USDA system...Ch. 2 - Redo Problem 2.7 according to the AASHTO system...Ch. 2 - In a hydrometer test, the results are as follows:...
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- 1. Classify the following soil using the U.S. Department of Agriculture textural classification chart. Particle Size Distribution (%) Soil Sand Silt Clay A 20 20 60 55 40 C 45 35 20 D 50 15 35 E 70 15 15arrow_forwardThe sieve analysis of ten soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. • Classify the soils by the AASHTO classification system and give the group index for each soil. Sieve analysis--Percent finer Soil No. 10 No. 40 No. 200 Liquid limit Plasticity index 1 98 80 50 38 29 100 92 80 56 23 100 88 65 37 22 4. 85 55 45 28 20 92 75 62 43 28 6. 97 60 30 25 16 7. 100 55 8 NP 8. 94 80 63 40 21 9. 83 48 20 20 15 10 100 92 86 70 38arrow_forward5.4 The sieve analysis of ten soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils by the AASHTO classification system and give the group index for each soil. Soil 1 2 3 4 5 6 7 8 9 10 Sieve analysis-Percent finer No. 10 No. 40 No. 200 98 100 100 85 92 97 100 94 83 100 80 92 88 55 75 60 55 80 48 92 K 50 80 65 45 62 30 8 63 20 86 Liquid limit Plasticity index 38 56 37 28 43 25 40 20 70 29 23 22 20 28 16 NP 21 15 38arrow_forward
- The results of particle size analyses and, where appropriate, limit tests on samples of four soils are given in Table Q1. Allot group symbols and give main and qualifying terms appropriate for each soil. Table Q1 Percentage smaller Sieve Particle size size Soil A Soil B Soil C Soil D 20mm 100 6.3mm 94 100 2mm 69 98 600µm 32 88 100 212µm 13 67 95 100 63 μη 2 37 73 99 0.020mm 22 46 88 0.006mm 11 25 71 0.002mm 4 13 58 Liquid limit Non-plastic 32 78 Plastic limit 24 31 a) Draw the particle size distribution curve for four samples. b) Determine the coefficients of uniformity and curvature for soil A and B. c) Allot group symbols and give main and qualifying terms appropriate for soil A. d) Allot group symbols and give main and qualifying terms appropriate for soil B. e) Allot group symbols and give main and qualifying terms appropriate for soil C. f) Allot group symbols and give main and qualifying terms appropriate for soil D.arrow_forwardNote: Give me both solutions with clear steps. A) The particle size distribution for Soil 1 is shown. What are the USCS group symbol and group name of this soil? B) The particle size distribution for Soil 2 is shown. The soil is inorganic and has the following Atterberg Limit values: LL=34 and PL=29. What are the USCS group symbol and group name for this soil?arrow_forward1. From the given soil samples below, (a) compute the effective size, uniformity coefficient, and coefficient of gradation (b) Determine the percent of gravel, sand, silt and clay of soil A using AASHTO Sieve size. 0.425 0.033 0.018 0.01 0.0062 0.0035 0.0018 0.001 Soil A Passing Finer (%) 100 90 80 70 60 50 40 35arrow_forward
- Following results are obtained from particle size analysis: Uniformity coefficient = 8 Coefficient of curvature = 2.8 Percentage of soil passing through 4.75 mm IS sieve = 70% If liquid limit and plastic limit for the soil are 38% and 34.2% respectively, the soil can be classified as per IS soil classification?arrow_forward5.3 Classify the following soils by the AASHTO classification system. Give the group index for each soil. Sieve analysis- Percent finer Liquid limit Plasticity index Soil No. 10 No. 40 No. 200 98 80 72 52 21 90 74 58 38 12 84 71 64 41 14 100 78 82 32 80 68 48 30 11 ABCDEarrow_forwardUnified Soil Classification System Problem Set No. 6 1. Do hand drawing of the grain size distribution curves of each soil type and classify them using the USCS. All of the soils are inorganic soils. Show your complete solution. Percent passing U.S. sieve Soil No.4 No.10 No.20 No.40 No.60 No.100 No.200 LL PL В 94 63 21 10 7 3 NP C 100 49 40 38 26 18 10 NP" D 100 100 98 93 88 83 77 63 48 *NP=not possible, meaning low plasticityarrow_forward
- Given the sieve analysis and plasticity data for five soils, classify the 5 soils according to Unified Soil Classification System and AASHTO Soil Classification System. Explain your steps for each soil sample classifications. Soil 4, % Finer Soil 5, % Finer Sieve Size No. 4 99 23 No. 10 No. 40 No. 100 96 18 89 79 No. 200 70 LL 49 PL 24 PI 25 NParrow_forwardQ1 The results of particle size analyses and, where appropriate, limit tests on samples of four soils are given in Table Q1. Allot group symbols and give main and qualifying terms appropriate for each soil. Table Q1 Sieve Particle Percentage smaller size size Soil A Soil B Soil C Soil D 20mm 100 6.3mm 94 100 2mm 69 98 600μη 32 88 100 212µm 13 67 95 100 63 μη 37 73 99 0.020mm 22 46 88 0.006mm 11 25 71 0.002mm 4 13 58 Liquid limit Non-plastic 32 78 Plastic limit 24 31 d) Allot group symbols and give main and qualifying terms appropriate for soil B. e) Allot group symbols and give main and qualifying terms appropriate for soil C. f) Allot group symbols and give main and qualifying terms appropriate for soil D.arrow_forwardGiven the sieve analysis and plasticity data for five soils, classify the 5 soils according to Unified Soil Classification System and AASHTO Soil Classification System. Explain your steps for each soil sample classifications. Soil 2, % Finer Soil 3, % Finer Soil 1, % Finer Sieve Size 100 No. 4 No. 10 99 92 97 90 100 No. 40 No. 100 86 78 40 8 100 99 No. 200 60 97 LL 20 124 PL 15 47 PI NP 17 *Nonplastic. Soil 4, Soil 5, Sieve Size % Finer % Finer No. 4 No. 10 No. 40 99 23 96 18 89 No. 100 No. 200 79 70 LL 49 PL 24 PI 25 NParrow_forward
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