Recent laboratory experiments have been carried out to study the compressive failure of confined polycrystalline ice during indentation by structures of varying compliance at different temperatures. The experiments presented in this paper focus on the indentation of ice using a single indenter mounted on a compliant beam. From these tests it was observed that the stiffness of the structure plays an important role in the development of cyclic loading patterns. Fracture and damage processes in the ice have been linked with the observed loading patterns and failure frequencies as high as 240 Hz have been linked to crushing and extrusion of ice. Temperature and loading rate were observed to significantly influence whether or not cyclic loading occurred and which ice failure mechanisms dominated the interaction process. When cyclic loads were observed, their frequency was found to exhibit a positive relationship with the indentation rate, as well as the structural stiffness. Based on this work it is concluded that both structural feedback and the mechanics of ice failure play an important role in determining the nature of dynamic interactions between ice and compliant structures.
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ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering
June 9–14, 2013
Nantes, France
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5540-9
PROCEEDINGS PAPER
Fracture and Damage During Dynamic Interactions Between Ice and Compliant Structures at Laboratory Scale
Rocky Taylor,
Rocky Taylor
Centre for Arctic Resource Development, St John’s, NL, Canada
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Tom Browne,
Tom Browne
Memorial University, St John’s, NL, Canada
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Ian Jordaan,
Ian Jordaan
Memorial University, St John’s, NL, Canada
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Arne Gürtner
Arne Gürtner
Statoil ASA, Trondheim, Norway
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Rocky Taylor
Centre for Arctic Resource Development, St John’s, NL, Canada
Tom Browne
Memorial University, St John’s, NL, Canada
Ian Jordaan
Memorial University, St John’s, NL, Canada
Arne Gürtner
Statoil ASA, Trondheim, Norway
Paper No:
OMAE2013-11070, V006T07A024; 8 pages
Published Online:
November 26, 2013
Citation
Taylor, R, Browne, T, Jordaan, I, & Gürtner, A. "Fracture and Damage During Dynamic Interactions Between Ice and Compliant Structures at Laboratory Scale." Proceedings of the ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. Volume 6: Polar and Arctic Sciences and Technology; Offshore Geotechnics; Petroleum Technology Symposium. Nantes, France. June 9–14, 2013. V006T07A024. ASME. https://doi.org/10.1115/OMAE2013-11070
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