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PRCI PR-238-9423
- Buckling and Collapse of UOE Manufactured Steel Pipes
- Report / Survey by Pipeline Research Council International, 11/01/1998
- Publisher: PRCI
$198.00$395.00
L51809e
TNO Building Construction and Research
(e-book version)Need: In the past 20 years, much research has been conducted into buckling and collapse of pipelines under external pressure, bending or tension and combinations. Also many finite element analyses have been performed into the behavior of pipelines under these loads. The available test results show considerable scatter, which is considered to be caused by variations in the stress-strain relationship, the anisotropy of the steel, the Bauschinger effect, the geometrical deviations, the residual stresses, the test conditions, etc. The manufacturing method (seamless, UO, UOE) has a considerable influence on these properties and on the collapse and local buckling resistance.
Benefit: In this project, design formulations for collapse and buckling with appropriate safety factors, calibrated against experimental and numerical models using probabilistic methods, have been selected for a practical range of design considerations. The project consisted of three parts: experiments, probabilistic calculations, and finite element calculations.
Result: It was found that the manufacturing method (seamless, UO, or UOE) significantly influences the collapse pressure and local buckling curvature. For the UOE manufactured pipe, a significant reduction in collapse strength was observed compared to non-expanded pipe.
TNO Building Construction and Research
(e-book version)Need: In the past 20 years, much research has been conducted into buckling and collapse of pipelines under external pressure, bending or tension and combinations. Also many finite element analyses have been performed into the behavior of pipelines under these loads. The available test results show considerable scatter, which is considered to be caused by variations in the stress-strain relationship, the anisotropy of the steel, the Bauschinger effect, the geometrical deviations, the residual stresses, the test conditions, etc. The manufacturing method (seamless, UO, UOE) has a considerable influence on these properties and on the collapse and local buckling resistance.
Benefit: In this project, design formulations for collapse and buckling with appropriate safety factors, calibrated against experimental and numerical models using probabilistic methods, have been selected for a practical range of design considerations. The project consisted of three parts: experiments, probabilistic calculations, and finite element calculations.
Result: It was found that the manufacturing method (seamless, UO, or UOE) significantly influences the collapse pressure and local buckling curvature. For the UOE manufactured pipe, a significant reduction in collapse strength was observed compared to non-expanded pipe.
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