Answered: Describe the nature and properties of…

Describe the nature and properties of the 4 types of soil colloids. Be sure to include a description of the physical and chemical characteristics associated with each of the four types

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 2.1P

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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

Describe the nature and properties of the 4 types of soil colloids. Be sure to include a description of the physical and chemical characteristics associated with each of the four types.

Expert Solution

Step 1: Introduction to soil colloids

The soil colloids are particles that are smaller than 2 micrometers in diameter and play an important role in soil fertility and nutrient availability, and there are four kinds of soil colloids: clay, silt, humus, and sand.

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