Geotechnical Engineering

  1. Water in Soil: Permeability and Seepage
    1. Principle of Effective Stress
      1. Total Stress
        1. Pore Water Pressure
          1. Effective Stress
            1. Importance of Effective Stress in Soil Behavior
              1. Shear Strength
                1. Compressibility
                  1. Volume Change
                2. Permeability
                  1. Darcy's Law
                    1. Assumptions and Limitations
                      1. Application to Soil
                      2. Hydraulic Conductivity
                        1. Definition and Units
                          1. Typical Values for Different Soils
                          2. Factors Affecting Permeability
                            1. Soil Grain Size
                              1. Void Ratio
                                1. Soil Structure
                                  1. Fluid Properties
                                    1. Temperature
                                    2. Laboratory Determination of Permeability
                                      1. Constant-Head Test
                                        1. Procedure and Calculations
                                          1. Applicability
                                          2. Falling-Head Test
                                            1. Procedure and Calculations
                                              1. Applicability
                                            2. Field Determination of Permeability
                                              1. Pumping Tests
                                                1. Well Installation
                                                  1. Test Procedure
                                                    1. Data Interpretation
                                                    2. Infiltration Tests
                                                  2. Seepage Analysis
                                                    1. Flow Nets
                                                      1. Construction of Flow Nets
                                                        1. Use in Seepage Calculations
                                                          1. Boundary Conditions
                                                          2. Calculation of Seepage Quantity
                                                            1. Seepage through Earth Dams
                                                              1. Seepage under Sheet Piles
                                                              2. Uplift Pressure and Piping
                                                                1. Mechanisms of Uplift
                                                                  1. Prevention of Piping
                                                                  2. Critical Hydraulic Gradient
                                                                    1. Calculation and Significance
                                                                      1. Quick Condition