ASCE Preliminary Research On Pipeline Flotation: Report of the Pipeline Flotation Research Council

Pipeline Flotation Research Council

Serial Information: Journal of the Pipeline Division, 1966, Vol. 92, Issue 1, Pg. 27-74

Document Type: Journal Paper


Pipeline flotation is undesired rising or sinking of a pipeline during or after installation. It is usually caused by agitation of pipes of bulk specific gravity much different than that of the backfill or ambient sediment. The rising effect is studied experimentally. A table for computing exposure to flotation is provided. The relationship between flotation effects, shear strength, and liquid limit is studied. The thixotropic regain for various sediments is studied and shown to be related to flotation effects. The pipeline flotation table is based on first guess methods of estimating the bulk specific gravity of pipe that will be safe from rising or sinking.

Subject Headings: Pipelines | Professional societies | Pipes | Sediment | Shear strength | Backfills | Safety

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