CVG-2107 (Chapter 2) 2

CVG-2107 (Chapter 2) 2 - Coarse grained Soil 0.075 mm mm...

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Prof. M. Fall - Uniersity of Ottawa Prof. M. Fall - Uniersity of Ottawa 2 Objectives Objectives What are the main categories of soils and their characteristics? What are the main shapes of soil grains? Their size? What is a clay mineral? Its characteristics? Are they special soils? 1. Introduction soil.gsfc.nasa.gov Course outline 1. Introduction 3. Shape and size of soil grains 4. The clay minerals 2. Main categories of soils 6. Special categories of soil 5. The soil structure 2. Main soil categories Main soil categories : 0.002 200 63 2.36 0.075 h clay, silt, sand, gravel, Clay Silt Sand Gravel Cobbles Boulders Fine grained Soil Coarse grained Soil h Fine grained Soil and
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Unformatted text preview: Coarse grained Soil 0.075 mm mm The limits between the different soil categories: not accepted by all or 0.05 The main soil categories are: (< 0.002 mm) coin Clay-( feels sticky ) Sand-( feels gritty ) (2.00 - 0.05 mm) barrel Silt-( feels floury ) (0.05 - 0.002 mm) plate USDA system for determining soil separates 2. Main soil categories USDA system for determining soil separates Clay Silt Sand The main soil categories are: 2. Main soil categories Coarse grained soils Fine grained soils FHWA National Geotechnical Engineering Improvement Program 2. Main soil categories The main soil categories are:...
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