Prestressed Concrete Pipe Field Test

by John R. Thurston, Bureau of Reclamation, United States,

Document Type: Proceeding Paper

Part of: Pipeline Design and Installation


Strain changes in the prestressing wires and deflections of a 2130-mm-diameter precast (embedded cylinder), prestressed concrete pipe were measured during earth backfilling operations. The purpose of the test program was to determine how well strains and deflections that were calculated - using the Bureau of Reclamation method of analysis for calculating earth loads on concrete pipe - compared with measured strains and deflection in a field installation. Measured strains were less than the calculated strains. An alternate method of calculating the earth loads and resulting strains gave a better comparison.

Subject Headings: Concrete pipes | Field tests | Prestressing | Prestressed concrete | Pipelines | Material tests | Concrete cylinder pipes | Load tests

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