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Pipeline Geo-Environmental Design and Geohazard Management

Moness Rizkalla
Moness Rizkalla
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ASME Press
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This chapter presents design and construction information on providing buoyancy control for overland pipelines. Pipelines are subject to natural positive buoyancy when placed below the water table. The magnitude of the buoyant effect is proportional to the pipeline diameter. The need to mitigate the pipe buoyancy depends on many factors. These factors include the pipeline material, the pipe diameter and its wall thickness, the pipe coating, the pipe product, the time of installation, and the density and type of trench backfill soil or imported material. Even pipelines carrying a heavy product may require the use of buoyancy control measures as...

5.1 Introduction
5.2 Definitions and Abbreviations
5.3 Pipeline Codes
5.4 Buoyancy Design Philosophy
5.5 Buoyancy Control Options
5.6 Buoyancy Design Forces
5.7 Buoyancy Control Spacing and Locations
5.8 References
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