Draw a grain size distribution curve and find the median size (D50), effective size (D10), and coefficients of uniformity and of curvature for a soil sample that has the following test data for mechanical grain-size analysis: U.S. Sleve Size Size Opening (mm) Mass Retained (g) 3/8 in 9.50 O No. 4 4.75 42 No. 10 2.00 146 No. 40 0.425 458 No. 100 0.150 218 No. 200 0.075 73 Pan 63

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A:

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Q: 2.2 U.S. sieve no. 4 10 20 40 60 80 100 200 Pan Mass of soil retained (g) 0 44 56 82 51 106 92 85 35…

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A:

Q: U.S Sieve No Opening (mm) Mass of soil retained (g) 4 4.75 28 10…

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Q: use the attached graph paper) A series of direct shear tests was performed on a soil sample. Each…

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Soil classification and characteristics

Soil classification is a method of categorizing soil based on its properties, types, and uses. The motive of soil classification is to arrange various types of soils and divide them into groups for various engineering and agricultural purposes. Soil classification is carried out by various agencies as per their purposes. From an engineering perspective, soil classification is done to find out the suitability of soil for various construction purposes like the construction of dams, foundations, highways, infrastructures, and so on. For engineering purposes, the soil is classified by the following systems: