Principles of Geotechnical Engineering (MindTap Course List)
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Chapter 2, Problem 2.6P

Repeat Problem 2.4 with the following data.

Chapter 2, Problem 2.6P, Repeat Problem 2.4 with the following data. 2.4 The following are the results of a sieve analysis. , example  1

2.4 The following are the results of a sieve analysis.

Chapter 2, Problem 2.6P, Repeat Problem 2.4 with the following data. 2.4 The following are the results of a sieve analysis. , example  2

a. Determine the percent finer than each sieve and plot a grain-size distribution curve.

b. Determine D10, D30, and D60 for each soil.

c. Calculate the uniformity coefficient Cu.

d. Calculate the coefficient of gradation Cc.

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8. a) According to the results of a sieve analysis in Table 1 below, plot the sieve analysis graph and construct a soil particle-size distribution curve. Table 1 Sieve Size (mm) Mass of retained (g) 4.75 0 2.00 40 0.850 60 0.425 89 0.250 140 0.180 122 0.150 210 0.075 56 Pan 12   b) Determine     i)Effective size D10, D30, and D60     ii)Uniformity coefficient, Cu     iii)Coefficient of curvature, Cc     iv)Classify the soil based on the graph
U.S Sieve No Opening (mm) Mass of soil retained (g) 4 4.75 28 10 2.00 42 20 0.85 48 40 0.425 128 60 0.250 221 100 0.150 86 200 0.075 40 Pan   24   Determine the percent finer than each sieve and plot a grain-size distribution curve. Determine D10, D30, and D60 from the grain-size distribution curve. Calculate the uniformity coefficient, Cu. Calculate the coefficient of gradation, Cc. Classify the soil by AASHTO and USCS system. (LL = 30, PL = 10)
Given below is the result of a sieve analysis done on a soil sample. Determine the value of the coefficient of uniformity. Round off th three decimal places.
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  • Let 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 Brown
    QUESTION 2 a. The results given in Table 1 were obtained in a particle size distribution test for soil sample received in the laboratory. Table 1 US Sieve No. Size Opening(mm) Weight Retained(g) 4 4.75 0 10 2.0 18.5 20 0.85 53.2 40 0.425 90.5 60 0.25 81.8 100 0.150 92.2 200 0.075 58.5 Pan - 26.5i. Determine the percentage passing each sieve and plot the particle size distribution curve. ii. How much fine-grained soils are in the sample ? iii. Determine the amount of gravel and sand in the sample ? iv. Determine D10, D30, and D60 from the grain-size distribution curve. v. Calculate the uniformity coefficient, Cu. vi. Calculate the coefficient of gradation, Cc. vii. Describe the gradation curve (eg poorly graded)
    The 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=2.8
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