basic concepts of soil mechanics 01
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The document discusses the importance of studying soil mechanics. It notes that every structure rests on soil, so it is necessary to understand the nature of soil to avoid failures from issues like settlement. Studying soil properties and behavior is important for foundations, earth retaining structures, earthen dams, and avoiding landslides. The document then outlines some of the key topics covered in soil mechanics, such as soil classification, permeability, shear strength, and analyzing earth pressures, slope stability, and foundation types.
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1. The document provides an introduction to soil mechanics including definitions of soil, soil mechanics, and the three phases of soil - solids, water, and air.
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This document summarizes key aspects of soil formation processes. It discusses how the variety of materials encountered by geotechnical engineers ranges from hard rock to soft organic deposits. Soil identification and evaluation of properties is important for analysis and design. The document then provides an overview of processes involved in soil formation, including weathering of rock, erosion, transportation, deposition, and post-depositional changes. It discusses the composition and structure of the earth's crust and continental plates. Rocks and minerals are broken down through these natural processes over geological time to form the variety of soil types.
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This document discusses soil structure, including the definition of soil structure as the arrangement of primary soil particles into aggregates called peds. Different types of soil structures are described such as granular, blocky, prismatic, and massive. Soil structure influences properties like density, porosity, permeability and strength. Good soil structure facilitates water and air movement while poor structure restricts it. Soil structure can be altered by tillage or compaction, which can break down natural aggregates. Bulk density, porosity and their relationship to particle density are also covered.
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basic concepts of soil mechanics 01
- 3. Basically soil mechanics is the study of soil properties& soil behaviorfor structures
- 4. Beforethat weshould know why we study soil ???
- 5. Every structure rest onsoil therefore it is necessary to know NATURE OF SOIL
- 6. There are many structure fails due to the soil settlement
- 7. leaning tower of pisa It best known example of soil settlement Footing is resting on different type of soil unequal settlement
- 9. Ocean tower
- 11. Reasons to study soil mechanics 1) Foundations 2) Landslides 3) Earth retaining structures 4) Earthen dams
- 13. Earthen dams
- 14. Landslides
- 15. To avoid these problems we study Soil Properties & its Behavior
- 16. SOIL 1.Fundamentals of soil 2.Soil classification 3.Permeability & seepage 4.Compaction and consolidation 5.Shear strength 6.Laboratory experiments 1. Site investigation 2. Earth pressure 3. Stability of slopes 4. Retaining walls 5. Bearing capacity of shallow foundation 6. Pile and well foundation Explained in