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The grain-size characteristics of soil re given in the following table. Use Table 2.3 for the analysis. Size (mm) Percent finer (0.425 100 0.1 79 0.04 57 0.02 48 0.01 40 (0.002 35 0.001 33 Table 2.3 Particle-Size Classifications Grain size (mm) Name of organization Massachusetts Institute of Technology (MIT) Gravel Sand Silt Clay >2 2 to 0.06 0.06 to 0.002 <0.002 U.S. Department of Agriculture (USDA) American Association of State Highway and Transportation Officials (AASHTO) Unified Soil Classification System (U.S. Army Corps of Engineers, U.S. Bureau of Reclamation, and American Society for Testing and Materials) >2 2 to 0.05 0.05 to 0.002 <0.002 76.2 to 2 2 to 0.075 0.075 to 0.002 <0,002 76.2 to 4.75 4.75 to 0,075 Fines (i.e., silts and clays) <0.075 Note: Sieve openings of 4.75 mm are found on a U.S. No. 4 sieve; 2-mm openings on a U.S. No. 10 sieve; 0.075-mm openings on a U.S. No. 200 sieve. See Table 2.5. What is the percentages of gravel, sand, silt and clay according to the USDA system a.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 35% b.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 33% c.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 34% d.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 35% e.) None of the above

The grain-size characteristics of soil re given in the following table. Use Table 2.3 for the analysis. Size (mm) Percent finer (0.425 100 0.1 79 0.04 57 0.02 48 0.01 40 (0.002 35 0.001 33 Table 2.3 Particle-Size Classifications Grain size (mm) Name of organization Massachusetts Institute of Technology (MIT) Gravel Sand Silt Clay >2 2 to 0.06 0.06 to 0.002 <0.002 U.S. Department of Agriculture (USDA) American Association of State Highway and Transportation Officials (AASHTO) Unified Soil Classification System (U.S. Army Corps of Engineers, U.S. Bureau of Reclamation, and American Society for Testing and Materials) >2 2 to 0.05 0.05 to 0.002 <0.002 76.2 to 2 2 to 0.075 0.075 to 0.002 <0,002 76.2 to 4.75 4.75 to 0,075 Fines (i.e., silts and clays) <0.075 Note: Sieve openings of 4.75 mm are found on a U.S. No. 4 sieve; 2-mm openings on a U.S. No. 10 sieve; 0.075-mm openings on a U.S. No. 200 sieve. See Table 2.5. What is the percentages of gravel, sand, silt and clay according to the USDA system a.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 35% b.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 33% c.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 34% d.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 35% e.) None of the above

Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter2: Soil Deposits-origin, Grain-size, And Shape
Section: Chapter Questions
Problem 2.4P: For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60 = 0.41 mm Calculate the uniformity coefficient...
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The grain-size characteristics of soil re given in the following table. Use Table 2.3 for the analysis. Size (mm) Percent finer 0.425 100 0.1 79 0.04 57 0.02 48 0.01 40 0.002 35 0.001 33 Table 2.3 Particle-Size Classifications Grain size (mm) Name of organization Gravel Sand Silt Clay Massachusetts Institute of Technology (MIT) >2 2 to 0.06 0.06 to 0.002 <0.002 2 to 0.05 0.05 to 0.002 U.S. Department of Agriculture (USDA) American Association of State Highway and Transportation Officials (AĂSHTO) Unified Soil Classification System (U.S. Army Corps of Engineers, U.S. Bureau of Reclamation, and American Society for Testing and Materials) >2 <0.002 76.2 to 2 2 to 0.075 0.075 to 0.002 <0.002 Fines (i.e., silts and clays) <0.075 76.2 to 4.75 4.75 to 0.075 Note: Sieve openings of 4.75 mm are found on a U.S. No. 4 sieve; 2-mm openings on a U.S. No. 10 sieve; 0.075-mm openings on a U.S. No. 200 sieve. See Table 2.5. What is the percentages of gravel, sand, silt and clay according to the USDA system a.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 35% b.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 33% c.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 34% d.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 35% e.) None of the above
Transcribed Image Text:The grain-size characteristics of soil re given in the following table. Use Table 2.3 for the analysis. Size (mm) Percent finer 0.425 100 0.1 79 0.04 57 0.02 48 0.01 40 0.002 35 0.001 33 Table 2.3 Particle-Size Classifications Grain size (mm) Name of organization Gravel Sand Silt Clay Massachusetts Institute of Technology (MIT) >2 2 to 0.06 0.06 to 0.002 <0.002 2 to 0.05 0.05 to 0.002 U.S. Department of Agriculture (USDA) American Association of State Highway and Transportation Officials (AĂSHTO) Unified Soil Classification System (U.S. Army Corps of Engineers, U.S. Bureau of Reclamation, and American Society for Testing and Materials) >2 <0.002 76.2 to 2 2 to 0.075 0.075 to 0.002 <0.002 Fines (i.e., silts and clays) <0.075 76.2 to 4.75 4.75 to 0.075 Note: Sieve openings of 4.75 mm are found on a U.S. No. 4 sieve; 2-mm openings on a U.S. No. 10 sieve; 0.075-mm openings on a U.S. No. 200 sieve. See Table 2.5. What is the percentages of gravel, sand, silt and clay according to the USDA system a.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 35% b.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 33% c.) Gravel – 0%; Sand – 38%; Silt – 26%; Clay – 34% d.) Gravel – 0%; Sand – 38%; Silt – 27%; Clay – 35% e.) None of the above
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ISBN:
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