Design and Performance of Buried Fiberglass Pipes — A New Perspective

by Ronald R. Bishop, Owens-Corning Fiberglas Corp, Toledo, OH, USA,
Dennis C. Lang, Owens-Corning Fiberglas Corp, Toledo, OH, USA,

Document Type: Proceeding Paper

Part of: Pipeline Materials and Design


The buried performance of fiberglass pipes was the subject of a comprehensive and multifaceted research program carried out in 1982 and 1983. Instrumentation, capable of accurately tracing the inside pipe profile, was developed and used to obtain bending strain in buried pipes. Pipe profile strain data were collected from eight separate installations, representing 14,500 feet of pipes installed from 2 to 14 years. Over eighty soil box tests were conducted to determine the relative performance of pipes ranging in stiffness from 3. 3 to 200 psi in a variety of installation conditions. Finite element mathematical models have been developed and provide a reliable service tool for buried pipe analysis. Data from all of these sources has been analyzed and correlated. This information provides a means for characterization of pipe-soil behavior in terms of pipe deflection and strain.

Subject Headings: Buried pipes | Strain | Finite element method | Fiber reinforced polymer | Soil stabilization | Soil-pipe interaction | Pipelines | Soil analysis

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