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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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.
show your step by step solution
5.4 Classify the following soils by using the Unified soil classification system. Give
the group symbols and the group names.
Sieve analysis-
Percent finer
Liquid
limit
Plasticity
index
C.
Soil
No. 4
No. 200
C,
1
70
30
33
21
2
48
20
41
22
3
95
70
52
28
4
100
82
30
19
5
100
74
35
21
6.
87
26
38
18
7
88
78
69
38
8
99
57
54
26
(table continues on next page)
apter 5: Classification of Soil
Sieve analysis-
Percent finer
Liquid
limit
Plasticity
index
C.
Soil
No. 4
Νo. 200
9
71
11
32
16
4.8
2.9
10
100
NP
7.2
2.2
11
89
65
44
21
12
90
8
39
31
3.9
2.1
© Cengage Leaming 2014
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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- 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 35arrow_forwardshow your solutionsarrow_forwardthe grain-size curves for soils A and B is shown in the figure. it is required to classify the soils according to the unified soil classification system. use AASHTO classification system. what is the effective grain size of soil A? what is the coefficient of curvature of soil A? what is the classification of soil A according to AASHTO?arrow_forward
- Provide complete answer with explanationarrow_forwardEngineering-- Civil Engineering--Geotechnical Engineeringarrow_forwardDetermine the group symbol using the Unified Soil Classification System. Explain every step and criteria that you considered that lead to your final choice of classification.arrow_forward
- show your step by step solutionarrow_forwardshow your step by step solutionarrow_forward1. 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_forward
- The questions are in the pictures , Solve question 5.4arrow_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_forwardFor 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.arrow_forward
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