2.11 The following results were obtained from sieve analysesof two soils:Sieve no.Opening (mm)Soil ASoil B44.752.000.851020.248.22025.719.60.4250.154040.460.310018.137.22000.07527.222.1Pan68.25.6Hydrometer tests of these soils give the following re-sults: Soil A, % finer than 0.002 mm = 48%; Soil B, %finer than 0.002 mm = 2%.(a) Plot the gradation curve for each soil on the samegraph.(b) How much coarse-grained and fine-grained soilsare in each soil?(c) What are the percentages of clay and silt in eachsoil?(d) Determine Djg for each soil.(e) Determine the uniformity coefficient and the coef-ficient of concavity for each soil.() Describe the gradation curve (e.g., well graded) foreach soil.

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2.11 The following results were obtained from sieve analyses of two soils: Sieve no. Opening (mm) Soil A Soil B 4 4.75 10 2.00 20.2 48.2 20 0.85 25.7 19.6 40 0.425 0.15 40.4 60.3 100 18.1 37.2 200 0.075 27.2 22.1 Pan 68.2 5.6 Hydrometer tests of these soils give the following re- sults: Soil A, % finer than 0.002 mm = 48%; Soil B, % finer than 0.002 mm = 2%. %3D (a) Plot the gradation curve for each soil on the same graph. (b) How much coarse-grained and fine-grained soils are in each soil? (c) What are the percentages of clay and silt in each soil?

2.11 The following results were obtained from sieve analyses of two soils: Sieve no. Opening (mm) Soil A Soil B 4 4.75 10 2.00 20.2 48.2 20 0.85 25.7 19.6 40 0.425 0.15 40.4 60.3 100 18.1 37.2 200 0.075 27.2 22.1 Pan 68.2 5.6 Hydrometer tests of these soils give the following re- sults: Soil A, % finer than 0.002 mm = 48%; Soil B, % finer than 0.002 mm = 2%. %3D (a) Plot the gradation curve for each soil on the same graph. (b) How much coarse-grained and fine-grained soils are in each soil? (c) What are the percentages of clay and silt in each soil?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Q 03: (a) Draw graph (using graph paper or excel) for soil 1 and 2 given in problem 2 and paste it in the following?(b) Calculate D10 D30 and D60 for Sieve Analysis plot in section (a) and calculate Coefficient of Uniformity and Coefficient of curvature for both soils. Also comment if the soils are well graded or poorly graded and which soil is better graded in comparing to other in case of soil 1 and 2.
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