Principal Researcher, Cold Regions Technology
Canadian Hydraulics Centre, National Research Council of Canada
Dr. Garry Timco has worked on ice-related problems for over thirty-four years. During that time, he has made important contributions to the understanding of the mechanical properties of ice, physical model testing with ice, ice loads on fixed offshore structures, and shipping in ice-covered waters. He has developed improved types of "model ice” that have been used in almost all ice tanks internationally. Dr. Timco is the author of over 250 publications and reports, and he has written several keynote papers and reviews addressing a number of different aspects related to cold regions technology. He has chaired numerous International Committees and Working Groups in these areas, and has edited a State-of-the-Art Review on Ice Forces. He contributed to three Technical Panels during the development of the ISO 19906 Arctic Offshore Structures Standard. In addition to his work at the NRC, he was an Adjunct Professor of Ocean Engineering at Memorial University of Newfoundland for over 20 years. He is also the Editor-in-Chief of the Elsevier journal Cold Regions Science and Technology.
Presentation Abstract 'Optimizing the Design and Operational Decisions on Offshore Platforms from the Impact of Large Ice Features'
The presentation will address the issue and implications of global loads on offshore petroleum platforms from the impact of a large isolated ice feature such as a multi-year ice floe or an iceberg. Analysis of all available data on ice floe impacts provides a design tool for this common ice mechanics situation. The results are directly used for estimating global design loads on wide caisson structures, operational issues such as disconnect decisions for floating rigs, and ice management to limit floe size to tolerable limits for the design load of a multi-leg structure.
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