Material properties obtained from characterization tests on a representative cured-in-place pipe material have been incorporated into a finite element model which employs a special “composite” beam element. The creep buckling behavior of constrained pipe liners are discussed, and a model correlating the critical time and the applied pressure is proposed. The influence of liner/host pipe geometric parameters on liner buckling is also investigated. The agreement of finite element predictions with physical test data shows the utility of the proposed model.
Numerical Simulation of Creep-Induced Buckling of Thin-Walled Pipe Liners
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division, September 6, 2000; revised manuscript received April 20, 2001. Associate Editor: D. P. Jones.
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Zhao , Q., Nassar, R., and Hall, D. E. (April 20, 2001). "Numerical Simulation of Creep-Induced Buckling of Thin-Walled Pipe Liners ." ASME. J. Pressure Vessel Technol. August 2001; 123(3): 373–380. https://doi.org/10.1115/1.1381533
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