The Pipeline Ice Risk Assessment & Mitigation JIP (PIRAM) developed a set of engineering models and design procedures for implementation into industry best practices for risk mitigation and protection of pipeline infrastructure from ice keel loading. The models established the pipeline mechanical behaviour in response to ice keel load events, and assessed engineering concepts for protection and risk mitigation strategies. Improved methodologies for contact frequency and ice keel loads determination formed part of the integrated model.
This paper presents an overview of this multiyear program and examples of the application of the models in pipeline burial depth assessment in pressure ridge ice gouged seabeds.
Volume Subject Area:
Pipelining in Northern and Offshore Environments
Topics:
Ice,
Pipelines,
Risk assessment,
Keel,
Risk mitigation,
Stress,
Design,
Engineering models,
Mechanical behavior,
Pressure,
Seabed
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