Ice properties in ISO 19906's second edition

Conference paper


Hoyland, K, Kim, E, Marchenko, A, Lishman, B and Barrette, P (2020). Ice properties in ISO 19906's second edition. 25th IAHR International Symposium on Ice. Trondheim 23 - 27 Nov 2020 The International Association for Hydro-Environment Engineering and Research (IAHR).
AuthorsHoyland, K, Kim, E, Marchenko, A, Lishman, B and Barrette, P
TypeConference paper
Abstract

The second edition of ISO 19906 Arctic Offshore structures was issued in 2019. In this paper, we describe the changes that were made to sections dealing with ice properties and discuss the relationship between them and ice actions. The changes can be divided into five groups: 1) Physical properties (temperature, density and porosity), 2) modulus of elasticity, 3) ice friction, 4) mechanical properties in level ice (uniaxial and multi-axial compressive strength, flexural strength and borehole jack strength), and 5) the keel properties of first-year ridge (Mohr-Coulomb, macro-porosity). The standard is written in such a way so that simple approaches in design guidelines complement more elaborate models. Both currently face at least three challenges, namely, the lack of full-scale data, a complicated physical environment, and a lack of understanding of the deformation mechanisms taking place in the ice.

Year2020
PublisherThe International Association for Hydro-Environment Engineering and Research (IAHR)
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Print23 Nov 2020
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Accepted16 Nov 2020
Deposited24 Nov 2020
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Ice properties in ISO19906_IAHR_2020_final.pdf
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File access level: Open

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