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.

"As per our guidelines we are supposed to do first three sub-parts, kindly post other sub-parts…

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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Concept explainers

Soil engineering for highway design

Soil engineering is a part of geotechnical engineering that deals with the characteristics of soil. It also helps to understand the behavior of the soil in different conditions. The basic concepts of soil are studied to check the strength, compressibility, and porosity of the soil. This makes soil engineering an important topic for civil engineering.

Question

2.11 The following results were obtained from sieve analyses
of two soils:
Sieve no.
Opening (mm)
Soil A
Soil B
4
4.75
2.00
0.85
10
20.2
48.2
20
25.7
19.6
0.425
0.15
40
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%.
(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?
(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) for
each soil.

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