Geotechnical Engineering Reliability Conference

Dr. Christian explains that participants, primarily geotechnical engineers and students, join this field and attend such lectures to move beyond simple "factors of safety" toward more rigorous, risk-informed decision-making. In a profession where soil conditions are inherently variable and data is often sparse, traditional deterministic models can sometimes lead to either over-conservative designs or catastrophic failures. Engineers seek to understand how to quantify what they don't know, especially when dealing with high-stakes infrastructure like dams, levees, and offshore platforms. By learning these reliability-based methods, they aim to optimize construction costs while maintaining acceptable levels of safety for society. The lecture provides a framework for participants to bridge the gap between abstract statistical theory and the practical reality of soil mechanics and site investigation.

- Nature of Uncertainty

- Frequentist vs. Bayesian Statistics

- Bayesian Updating

- Reliability Index (Beta)

- Modeling Decisions

- Expert Judgment Pitfalls

- Acceptable Risk (FN Plots)

- Comparative Reliability