2010 Newcastle Meetings

Culverts and Sewers – Buried but not forgotten

While largely out of sight and neglected for decades, the deteriorated state of our buried pipe infrastructure is now attracting considerable attention. An overview of a number of recent studies is presented, featuring both experimental and computational work to explore soil-pipe interaction and the performance of new, deteriorated, and repaired pipe systems. The presentation starts …more

Stiffness at Small Strain – Research and Practice

The rapid development of computing power and of numerical modelling software over the past forty years has made sophisticated analysis of geotechnical problems accessible to most practising engineers. Typically computer packages now offer a wide range of constitutive models, which the design engineer needs to choose between, and then obtain parameters for. For those structures …more

Concepts & Parameters Related to Ground Improvement Illustrated by Case Histories

The International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE) Technical Committee on Ground Improvement, has proposed a classification system of ground improvement techniques according to the general nature of the soil, (frictional or cohesive) and the inclusion or not of added material (http://www.bbri.be/go/tc17). This classification system has been detailed in the state of the …more

The NSW Research Award: Advances in Geotechnical Engineering Research

Ali Ghandeharioon Analytical and Numerical Studying of Disturbance and Pore Pressure in Soft Cohesive Soils Associated with the Installation of Mandrel-driven Prefabricated Vertical Drains This research investigates the installation of mandrel-driven PVDs and the associated disturbance in cohesive soils using a novel elliptical cavity expansion theory validated by laboratory experiments and numerical modelling. The pattern …more

An Introduction to Cross-hole Sonic Logging of Concrete in Drilled Piers

Cross-hole Sonic Logging is a non-destructive quality assurance method that is used to assess the integrity of bored piles, barrettes and slurry walls, and is based on ultrasonic pulse velocity and attenuation measurements along the length of the structure. The technique is widely used in the United States of America, Europe and certain Asian countries. …more

A Case Study of Abandoned Mine Subsidence at Dominion, Nova Scotia, Canada, 2002-2003

Mining subsidence over shallow abandoned coal mine workings is unfortunately not an uncommon experience in the coalfields of North America, and there is a significant knowledge and literature base addressing the phenomenon and related issues. From time to time, however, a case history arises which is outside the more routine occurrence. This presentation looks at …more

Slurry Wall Construction Current Technology and Case Studies

Geo-Solutions Inc is a world leader in geotechnical construction, specialising in slurry walls. Geo-Solutions and Menard Bachy as a partnership have completed numerous successful Australian projects including remediation of the former BHP Site in Mayfield. We are fortunate to have Chris in Newcastle in March to deliver a presentation outlining the latest slurry wall technologies …more