Transcription of FCE 311 - Geotechnical Engineering LECTURE NOTES FINAL2
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University of Nairobi Department of Civil and Construction Engineering FCE 311 Geotechnical Engineering 1 LECTURE NOTES DR. NYAMBANE OSANO 2012 FCE 311 Geotechnical Engineering I OSN - LECTURE NOTES University of Nairobi Page i TABLE OF CONTENTS 1 OVERVIEW .. 1 COURSE DESCRIPTION 1 PREREQUISITE 1 STUDENT LEARNING OUTCOME 1 TEACHING METHODOLOGY AND TECHNIQUES 1 REQUIRED TEXT BOOKS 1 2 INTRODUCTION TO SOIL MECHANICS .. 2 DEFINITION OF SOIL 2 SOIL MECHANICS AND Geotechnical Engineering 2 3 SOIL FORMATION .. 4 DEFINITION 4 WEATHERING 4 INTRODUCTION 4 PHYSICAL WEATHERING 4 chemical WEATHERING 4 RESIDUAL AND ALLUVIAL SOILS 5 RESIDUAL SOILS 5 ALLUVIAL SOILS 5 4 CLAY MINERALOGY.
3.2.3 Chemical weathering Chemical weathering changes the composition of rocks by decomposing the parent minerals, transforming them into new compounds such as clay silica particles, carbonates and iron oxides. The decomposition of rock is the result of the following reactions; (i) Oxidation (ii) Carbonation (iii) Hydration (iv) Leaching
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