Chapter 7: Earth Pressures

This section is part of: Athanasopoulos, G. A. (2021) "Online Lecture Notes on Soil Mechanics", Geoengineer.org, DOI: https://doi.org/10.48246/GEOENG-EDU-001

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1. Chapter 1: Physical Properties of Soils
2. Chapter 2: Stresses in Soils
   1. Normal and Shear Stress
      1. Use of the Mohr’s circle in soil mechanics
      2. Basic equations for the Mohr's circle
      3. Basic observations about Mohr’s circle
      4. Plane Principle (or Pole)
   2. Stresses as a result of the soil self-weight
      1. Geostatic stresses
      2. Effective stress principle (Terzaghi, 1925, 1936)
      3. Capillary water
   3. Stresses due to a load surcharge on the Ground Surface
      1. Point vertical load on the surface of an elastic half-space
      2. Uniformly distributed load along a strip of infinite length
      3. Load from embankment with infinite length
      4. Uniform load distributed on a circular surface
      5. Uniform load distributed on a rectangular surface
      6. Diagram p-q - Stress Path
   4. Example Problems
      1. Problem 2.1
      2. Problem 2.2
3. Chapter 3: Flow of Water through Soil
   1. One Dimensional Flow
      1. One dimensional flow - Darcy’s law
      2. One dimensional flow in stratified soil
      3. Permeameters
      4. Seepage force
      5. Water Temperature Effect in the Coefficient of Permeability
      6. Empirical Relationships for the Calculation of the Coefficient of Permeability
   2. Two Dimensional Flow
   3. Graphical Generation of Flow Nets
      1. Flow Nets - Confined Flow
      2. Flow nets - Flow through sand dams - Non-restricted flow
      3. Two dimensional flow in anisotropic soil
      4. In-situ permeability measurement
      5. Flow net construction
      6. Flow through an interface between two soil layers
4. Chapter 4: Soil Deformations
5. Chapter 5: Shear Strength of Soils
6. Chapter 6: Soil Compaction
7. Chapter 7: Earth Pressures
   1. Rankine Theory
   2. Coulomb Theory
   3. Graphical Methods
   4. Types of Retaining Structures
      1. Gravity Walls
      2. Cantilever Walls
      3. Diaphragm - Cantilever Walls
      4. Anchored Diaphragm Walls
      5. Values for (φ,δ) for Flexible Walls
      6. Temporary Earth Retaining Structures
   5. Example Problems
      1. Problem 7.1
      2. Problem 7.2
      3. Problem 7.3
      4. Problem 7.4
      5. Problem 7.5
      6. Problem 7.6
      7. Problem 7.7
      8. Problem 7.8
8. Chapter 8: Slope Stability
9. Chapter 9: Bearing Capacity of Shallow Foundations
   1. Bearing Capacity
   2. Example Problems
      1. Problem 9.1
      2. Problem 9.2
      3. Problem 9.3
      4. Problem 9.4
      5. Problem 9.5

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7.2. Coulomb Theory (1776)

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Active Earth Pressures where: Figure 7.1. Values of KA for vertical wall and horizontal backfil...

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Chapter 2: Stresses in Soils

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7.1. Rankine Theory (1857)

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7.5. Example Problems

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