Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Given the sieve analysis and plasticity data for five soils, classify the 5 soils according to Unified Soil Classification System (USCS) and AASHTO soil classification system. Explain your steps for each soil sample classifications.
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EXAMPLE 3.1
Given:
Sieve analysis and plasticity data for the following three soils.
Soil 1.
Soil 2,
Soil 3,
Sieve Size
% Finer
% Finer
% Finer
No. 4
99
97
100
No. 10
92
90
100
No. 40
86
40
100
No. 100
78
8
99
No. 200
60
5
97
LL
20
124
PL
15
47
PI
5
NP
77
*Nonplastic.
Required:
Classify the three soils according to the Unified Soil Classification System.
Solution:
Use Table 3-2 and Fig. 3.4.
1. Plot the grain size distribution curves for the three soils (shown in
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- The phrase "Unified Soil Classification System" (USCS) refers to a classification system for soil.arrow_forwardClassify soils A, B, C, and D based on the USCS (ASTM D2487 – 17) indicating the symbol and soil description. Additionally, classify the soils according to the AASHTO Soil Classification System indicating the name of the soil group as well as the GI. Sieve Opening (mm) Percent Passing (%) Soil D Soil C Sieve Number Soil A Soil B No. 4 4.750 78 75 60 78 88 88 No. 10 2.000 75 75 75 No. 18 1.000 60 60 60 No. 30 0.600 45 45 45 45 No. 40 0.425 30 30 30 30 No. 60 0.250 22 22 22 22 No. 100 0.150 15 15 15 15 No. 140 0.105 10 10 10 14 No. 200 0.075 8. 4 13 LL 60 60 20 20 PL 25 35 14 14arrow_forwardDescribe the conditions and properties affecting coefficient of permeability of clay soils.arrow_forward
- Briefly describe the phenomenon of liquefaction in soil deposits, indicating type and condition of soil required and occurrences responsible.arrow_forwardCan I get a step by step for this question? Using the data presented for the given soil sample, determine the soil classification using the ASTM and the AASHTO Soil classification system. Give the group index if needed. The soil is inorganic soil. Sieve No. 19mm (¾ in.) 12.5mm (1/2in.) No. 4 (4.75 mm) No. 10 (2.00 mm) No. 20 (0.850 mm) No. 40 (0.425 mm) No. 100 (0.150 mm) No. 200 (0.075 mm) Percent Passing 100 95 63 50 44 37 28 22 Cu: 5.5 and Cc: 1.8 Atterberg limits: Liquid limit. 33%, Plasticity Index: 17%.arrow_forwardDescribe some Typical values for different types of soil mixtures .arrow_forward
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