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Influence of Artificial Island Side-Slopes on Ice Ride-Up and Pile-Up

by G. Hocking, Applied Mechanics Inc, Lakewood, CO, USA,
G. G. W. Mustoe, Applied Mechanics Inc, Lakewood, CO, USA,
J. R. Williams, Applied Mechanics Inc, Lakewood, CO, USA,



Document Type: Proceeding Paper

Part of: Civil Engineering in the Arctic Offshore

Abstract:

An artificial island slope protection scheme must be able to inhibit ice ride-up and pile-up in order to minimize operational interruptions. The prediction of ice ride-up and pile-up mechanisms has been enhanced recently by numerical simulations utilizing the discrete element method. The discrete element model CICE has been validated for ice ride-up mechanisms on artificial beaches. CICE simulations of ice ride-up on two beach configurations were compared with large-scale physical model tests conducted in the Esso Test Basin. The model simulations are capable of predicting ice failure mechanisms, extent of ride-up, and ice sheet waterline buckling instabilities. Parametric studies of ice ride-up and pile-up on artificial islands have been conducted by CICE to aid the designer in evaluating slope angles and ice protection schemes. Ice ride-up studies are presented for an artificial island with a stepped-sloped cross-section for ride-up protection.

Subject Headings: Ice | Islands | Piles | Slopes | Physical models | Discrete element method | Simulation models

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