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Breakage of saline ice blocks in ice-to-ice contact
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A4 Artikkeli konferenssijulkaisussa
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en
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9
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Proceedings of the 26th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC 2021, Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions
Abstract
This paper focuses on the experiments on breakage of laboratory grown floating saline ice blocks in ice-to-ice contact. Insight on breakage is required in modeling force transmission through an ice rubble pile, since it occurs through so-called force chains, which may collapse due to buckling or the failure of individual ice blocks within the chain. In the experiments, 300 × 300 × 110 mm 3 ice blocks were set to float, brought into contact to form ice-to-ice contacts, and compressed up to failure. The force transmitted through the contacts and the failure process were recorded. It was concluded that the shear-like failure of the blocks limited the contact forces, as it occurred in about 75% of the 32 experiments performed.
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Prasanna, M, Wei, M, Polojärvi, A & Cole, D 2021, Breakage of saline ice blocks in ice-to-ice contact. in Proceedings of the 26th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC 2021. Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, International Conference on Port and Ocean Engineering under Arctic Conditions, International Conference on Port and Ocean Engineering under Arctic Conditions, Moscow, Russian Federation, 14/06/2021. < https://www.poac.com/Papers/2021/pdf/POAC21-065.pdf >