Answered: Soil 4, Soil 5, % Finer Sieve Size %…

Soil 4, Soil 5, % Finer Sieve Size % Finer No. 4 99 23 No. 10 96 18 No. 40 89 9 No. 100 79 5 No. 200 70 4 LL PL 49 24 PI 25 NP

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.24CTP

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Concept explainers

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:

Question

Given the sieve analysis and plasticity data for five soils, classify the 5 soils according to Unified Soil Classification System (USCS) and AASHTO soil classification system. Explain your steps for each soil sample classifications.

Soil 4,
% Finer
Soil 5,
% Finer
Sieve Size
No. 4
99
23
No. 10
96
18
No. 40
89
9
No. 100
79
5
No. 200
70
4
LL
49
PL
24
PI
25
NP

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