Structural Monitoring Concepts for Arctic Pipelinesby Kenneth J. Nyman, ARCO Pipe Line Co, Long Beach, CA, USA,
Pedro Lara, ARCO Pipe Line Co, Long Beach, CA, USA,
Abstract: Terrain instabilities producing differential soil movements are the predominant features affecting the structural integrity and design of buried pipeline systems in the arctic. Current design limitations tend to increase requirements for special pipeline construction configurations thus escalating project capital costs. Development and application of advanced structural monitoring systems to evaluate pipeline distortions continuously along the alignment can significantly impact design requirements, maximize conventional pipeline burial and improve operational reliability. A review of current arctic pipeline design practice with discussion of theoretical aspects and applied concepts for structural monitoring are presented.
Subject Headings: Buried pipes | Pipelines | Pipeline design | Soil settlement | Load and resistance factor design | Structural reliability | Structural systems | Structural stability | Arctic
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