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Course Outline
Day 1 — Soil Stability Analysis Interpretation, and implementation
Introduction, Expectations, and Objectives
- The 4 G’s of Slope Stability
- Geology
- Geometry
- Geotechnical
- HydroGeology
- Slope Failures, Movements, and Processes
- Features and Geometry of Instability
- Failure Processes
- Type and Rate of Movements
Fundamentals of Soil Strength
- Strength 101
- Mohr-Coulomb Failure Criterion
- Effective Stress versus Total Stress
- State of Stress and Stress Change
- Laboratory Measurement of Strength
- Simple Shear Tests
- Triaxial Testing
- Direct Shear
- Typical Soil Properties
- Selection of Design Shear Strengths
- In Situ Measurement of Shear Strength
Slope Stability Investigation and Reporting
- Scoping the field investigation
- Understanding soil and rock bore logs
- Interpreting soils reports
Earth Pressures and Stresses
- Total and effective stresses
- Distribution of loads to underlying deposits
- Effects of water table fluctuations
- Dynamic effects on soil
Importance of Water in Slope Stability Analysis—Groundwater Levels, Seepage Pressures, and Pore Pressures
- Groundwater Effects on Slope Stability
- Measuring or estimating soil permeability
- Seepage forces and buoyancy effects
- Porewater Pressure
- The Porewater Pressure Parameter
Group Project/Case Study
DAY 2 — APPLIED SLOPE STABILITY ANALYSIS AND REMEDIATION
Geological Aspects of Slope Stability
- Jahnsian Steps to Landslide Investigations
- Recognize
- Characterize
- Analyze
- Stabilize
Fundamentals of Soil Slope Stability Concepts and Analysis with Examples
- Mechanics of Limit Equilibrium
- Slope Stability Analysis Methods
- Selection of the Analysis Method
- Reinforced slopes
- Deformation Analysis
- Finite Element Method (FEM)
- Example Slope Stability Programs
- Program Demonstration
Comprehensive Slope Stability Analysis/Design Reporting
- Regional and Project Geology
- Hydrology
- Seismology
- Site Description and Work Proposed
- Project Subsurface Exploration
- Stability Analyses
- Method
- Groundwater Levels and Seepage Conditions
- Tabulation and Material Property Values for each Load Condition
- Verification of Results
- Recommendations and Results
Rock Slope Investigation and Rock Mechanics for Slopes
- Research and Field Preparation
- Rock slope investigation
- Rock type, discontinuity orientation, geometry, water conditions
- ID rock structures and possible failure modes
- Methods to estimate shear strength of discontinuities
- Mapping
- Rock Mechanics for Slopes
- Important engineering properties of rock for slopes
DAY 3 — SLOPE REMEDIATION AND EVOLVING PRACTICE
Slope Stabilization Methods
- Soil Compaction and Improvement
- Buttressing
- Drainage
- Structural systems
Remediation of Rock Slopes
- Rock slope remediation techniques
- Rock removal (scaling)
- Rock reinforcement
- Protection measures
Rock Slope Case Studies
- Quarry slope case study
- Rock toppling case study
Advancing Topics in Slope Stability and Landslides
- Stability of landfill systems
- Asset management
- Risk assessment
- Remote sensing and instrumentation
- Rock falls
- Debris flows
- Emerging climate risks