Collapse of UOE manufactured steel pipes
conference paper
The manufacturing method (seamless, UO, UOE) has a con-siderable influence on the collapse pressure of steel pipes. For UOE manufactured pipe, a significant reduction in collapse strength has been observed compared to not expanded pipe.
A research program has been carried out to investigate the effect of the manufacturing process on the collapse and local buckling behaviour. The results of collapse tests on three 20-inch UOE manufactured pipes and one seamless pipe are presented. The D/t ratios were 45, 27, 22 and 29.
The paper also contains the results of finite element calculations, carried out to obtain more information on the parameters governing the collapse resistance of UOE manufactured pipes. The influence of the Bauschinger effect on the collapse resistance was determined.
The results of probabilistic calculations with relevant experi-mental data related to collapse of pipes have been collected in a database and compared with the available design formulae. Design formulations for collapse with appropriate safety factors, calibrated against experimental and numerical models using probabilistic methods, have been selected for the practical range of design situations
A research program has been carried out to investigate the effect of the manufacturing process on the collapse and local buckling behaviour. The results of collapse tests on three 20-inch UOE manufactured pipes and one seamless pipe are presented. The D/t ratios were 45, 27, 22 and 29.
The paper also contains the results of finite element calculations, carried out to obtain more information on the parameters governing the collapse resistance of UOE manufactured pipes. The influence of the Bauschinger effect on the collapse resistance was determined.
The results of probabilistic calculations with relevant experi-mental data related to collapse of pipes have been collected in a database and compared with the available design formulae. Design formulations for collapse with appropriate safety factors, calibrated against experimental and numerical models using probabilistic methods, have been selected for the practical range of design situations
TNO Identifier
329694
ISSN
1098-6189 (set)
ISBN
1-880653-46-X (set)
1-880653-48-6 (vol.II)
1-880653-48-6 (vol.II)
Publisher
The International Society of Offshore and Polar Engineers
Source title
Proceedings of the 10th (2000) International Offshore and Polar Engineering Conference, Seattle, USA, 28 May-2 June
Pages
170-181
Files
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