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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
Models bid to help estimate integrity of subsea free spans. R. Bruschi et al. Pipeline Gas Ind., Offshore Pipeline Technol. Supplement, April 1998, 81(4), 48--54.
Advances in the design of pipelines that cross erodible/active seabeds are improving the choices available for pipe weight coating and trenching depth. Capital costs are compared with inspection and maintenance spending. Four seabed formations commonly encountered by subsea pipelines are tabulated and erodible seabed dynamics are discussed in relation to sediment mobility, seabed shapes, and liquefaction potential. Four possible pipeline/seabed configurations are described and illustrated. Pipe/seabed interactions are described in mathematical terms. Free-span development, natural backfilling, natural lowering, and structural integrity are discussed. Experiences in North Sea and Mediterranean subsea environments are reviewed. 37 refs.
Abstract details
Journal title: Pipe Line & Gas Industry
Subjects: Process and resources engineering, Banking, finance and investment, Inspection and maintenance, Inspection, Maintenance, Economics, business and commerce, Pipeline, Oil and gas, Oil, Liquefaction
