Combined Load Testing of Prestressed Concrete Cylinder Pipe

by Armand W. Tremblay, Price Brothers Co, United States,

Document Type: Proceeding Paper

Part of: Pipeline Design and Installation


A series of combined load tests were run on prestressed concrete cylinder pipe in order to evaluate a proposed new method of design for pipe made to AWWA Standard C301. These tests involved the simultaneous application of external loads and internal pressures in various combinations. The test apparatus was designed and constructed with several unique features, which permitted visual observation of the interior pipe surface at the invert and measurement of vertical deflection during the test. In addition, strain gauges were used to monitor strain levels in the concrete core, the mortar coating, the steel cylinder, and the prestress wire.

Subject Headings: Concrete cylinder pipes | Load tests | Concrete pipes | Prestressing | Load factors | Prestressed concrete | Material tests | Steel pipes

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