Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 2, Problem 2.13P
To determine
Calculate the percentage of gravels, sands, and fines in the soils based on the Unified Soil Classification System.
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The sieve analysis data for a granular soil are given below. % passing or finer 19 mm sieve = 100%% passing or finer 4.75 mm (4 sieve) = 61%% passing or finer 0.075mm (200 sieve) = 16%
What are the percentages of gravels, sands and fines within this soil, based on the Unified Soil Classification System?
Question:
For a given soil, the following are known:
Percentage passing No. 4 sieve = 100
Percentage passing No. 200 sieve =61
Liquid limit = 26
Plastic Index =6
Classify the soil using the Unified Soil Classification System. Give the group symbol and the group name.
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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- The grain-size characteristics of a soil are given in the following table. a. Draw the grain-size distribution curve. b. Determine the percentages of gravel, sand, silt, and clay according to the MIT system. c. Repeat Part b using the USDA system. d. Repeat Part b using the AASHTO system.arrow_forwardThe particle characteristics of a soil are given below. Draw the particle-size distribution curve and find the percentages of gravel, sand, silt, and clay according to the MIT system (Table 2.3).arrow_forwardRepeat Problem 2.11 with the following data. 2.11 The grain-size characteristics of a soil are given in the following table. a. Draw the grain-size distribution curve. b. Determine the percentages of gravel, sand, silt, and clay according to the MIT system. c. Repeat Part b using the USDA system. d. Repeat Part b using the AASHTO system.arrow_forward
- For an inorganic soil, the following grain-size analysis is given:Sieve No. % Passing4 10010 9020 6440 3880 18200 13For this soil, LL = 23% and PL = 19%. Classify the soil according to:a. The AASHTO soil classificationb. The Unified soil classification systemarrow_forwardThe following are the results of a sieve and hydrometer analysis. Draw the grain -size distribution curve Determine the percentages of gravel, sand silt and clay. UC, CC and S Classify the soil according to USDA. Classify the soil according to ASHTOO. X=1.6 y=2.8arrow_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 83 67 56 54 45 39 36 Cu: 5.5 and Cc: 1.8 Atterberg limits: Liquid limit: 20%, Plasticity Index: 6%.arrow_forward
- Using the unified classification system, what is the classification of soils that have the following results: The percentage of those passing through sieve No. 4 = 70% The percentage of passing through sieve No. 200 = 38% The liquidity limit LL = 42% The plasticity limit = 26%arrow_forwardLet us assume that a soil sample taken in the field is taken and it must be identified by the SUCS Method and AASHTO Method. Moisture content = 5.75% Limit liquid = 53.5 Plastic limit = 31.6 Granulometry Sieve % Pass No. 4 100 # 40 68 # 200 54.3 Do you select the best answer? a) Inorganic silt and sand, with low plasticity b) Inorganic clay with low plasticity c) Clay silt, traces of gravel, dark Brownarrow_forwardFor an inorganic soil, the following grain-size analysis is given. For this soil, LL = 23 and PL = 19. Classify the soil by using Unified Soil Classification System. Give group names and group symbols.arrow_forward
- Q 05: (CLO 3) For a given soil, the following are given in Table: Specific Gravity Gs, bulk unit weight γ), and moisture content (w). Use data from the table according to your registration number. (You can solve answer on paper and paste neat clear image in the answer). Student Registration Number Gs γ (kN/m3) moisture content (w) % 102 2.72 17.2 20 Determine: Dry unit weight Void ratio Porosity Degree of saturationarrow_forwardSituation 1 – Refer to Figure. Classify the soil according to the USDA textural classification system. The soil has particle size distribution of Gravel – 21% Silt – 35% Sand – 12% Clay – 32% 1. Calculate the modified percentage of sand 2. Compute the modified percentage of silt 3. What is the classification?arrow_forwardThe following results were obtained by a mechanical sieve analysis. classify the soil using the Unified Soil Classification System. Sieve analysis % passing by weight is as follows: No.4 = 100% No. 40 = 70% No.200 = 30% Liquid Limit= 33 Plastic Limit = 12arrow_forward
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