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The Critical State of Geotechnical Consulting In The USA

Presented by Dr. Dave Baska Associate Professor of the University of Washington, USA Geotechnical consulting in the USA not only suffers from commoditization, but increasingly prescriptive codes and client requests for “expedited” schedules present additional challenges. Dr. Baska will share his observations from 35 years…

Bishop and the birth of soil mechanics in England

Bishop and the birth of soil mechanics in England

“It was a great privilege and the best of good luck to be associated for nearly 40 years with one of the finest intellects in our subject …. his work in this field brought about a highly beneficial revolution in soil mechanics…….He was loved and…

Optimisation of risk in the production of construction materials

Optimisation of risk in the production of construction materials

Ruth Allington is an engineering geologist by training. She is Joint Senior Partner of GWP Consultants LLP, the firm she joined in 1981 immediately after graduating (then the Geoffrey Walton Practice). In addition to her BSc and MSc degrees, she also has an MBA, and she is a qualified…

Understanding patterns of movement for slow moving landslides

Understanding patterns of movement for slow moving landslides

Abstract The movement of many landslides is controlled by the force imbalance associated with a reduction in shear resistance caused by a decrease in normal effective stress as pore water pressures increase. This basic premise might lead to an assumption that the movement rate has…

Non-linear soil mechanics

Non-linear soil mechanics

Abstract Routine effective stress analyses for failure of geotechnical structures use a linear Mohr-Coulomb envelope and routine analyses for ground movements use linear elasticity with constant Young’s Modulus E’ or one-dimensional modulus M’. Observations of soil behaviour show that strength and stiffness are non-linear and…

55th Rankine Lecture: Hazard, Risk and Reliability in Geotechnical Practice

55th Rankine Lecture: Hazard, Risk and Reliability in Geotechnical Practice

More and more, society requires to know the risk which people, property and the environment are exposed to. The role of the geotechnical engineering profession should increasingly be reducing exposure to threats, reducing risk and protecting people. The objective of the 55th Rankine Lecture is…

Basic Geotechnical Engineering Skills: What can Graduates Do?

Basic Geotechnical Engineering Skills: What can Graduates Do?

Presented by Professor John Atkinson Senior Principal, Coffey Geotechnics Emeritus Professor of Soil Mechanics, City University London on 28 November 2017 at Auckland University. The talk describes how to investigate and model the ground, how to determine parameters and how to perform simple analyses. A…

Earthquake-Triggered Landslides: Understanding Complex Mechanisms

Earthquake-Triggered Landslides: Understanding Complex Mechanisms

Presentation by Dave Petley. Dave is the Pro-Vice-Chancellor (Research and Innovation) at the University of Sheffield in the United Kingdom. His blog provides a commentary on landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.