professor Ian moore
Trained in Australia, Dr Moore has been a Professor at Queen’s University since 2001 following positions at the University of Newcastle and the University of Western Ontario. He was founding Executive Director of the GeoEngineering Centre at Queen’s – RMC (North America’s largest and most productive geoengineering team) from 2002 to 2017 when he commenced a five year term as Head of the Department of Civil Engineering. His more than 350 publications examine conventional and trenchless construction of new and deteriorated water, sewer, and energy pipelines, and have underpinned dozens of contributions to North American and other international codes of buried pipe design practice. Recognition for Dr Moore's work includes best paper awards from the ASCE, CGS, CSCE, ICE, NASTT, and medals and other awards from various learned societies and associations. Dr Moore served as Editor of the Canadian Geotechnical Journal from 2006 to 2017, and recently completed a two-year term as President of the Canadian Geotechnical Society. He is an elected Fellow of the Royal Society of Canada (Academy of Science), the Canadian Academy of Engineering, and other learned societies.
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Research on the performance and design of HDPE slip liners
Research on the performance and design of HDPE slip liners
Ian Moore - Queen's University
Abstract
Grouted slip lining has become a popular choice for rehabilitation of large diameter corrugated steel and reinforced concrete culverts. A dearth of research on these structures has meant that design is often conducted by neglecting the presence of the old culvert pipe, and treating the slip liner as if it were directly buried in the soil. This paper summarizes experimental and computational research projects conducted at Queen's University over the past decade, where full scale experiments have been undertaken on plain and profiled HDPE and steel reinforced HDPE slip liners installed within deteriorated steel and reinforced concrete culverts. The performance of both low density (aerated) grouts and higher strength grouts have been studied. Slip-liner behaviour is explained, as well as the interactions between the thermoplastic slip-liner, the grout, the existing pipe, and the soil. Strength and service limit states to be considered during design are discussed. Finally, the limitations of design treating the flexible slip liner as if it were buried in the backfill are explained.