The paper presents a theoretical-experimental comparison concerning standard crushing-traction tests of flexible pipe prototypes. The theoretical model for crushing is analytical and based on classic assumptions of equivalent pipes, applying model previously published in OMAE2003, and OMAE2010. Such a model considers the combined action of squeezing, concentrated loads due to the caterpillar shoes as well as the effect of initial ovalization. The experimental measures include a detailed internal geometrical mapping of the deformed carcass, until plastic deformation becomes evident. Discussion is made on the pertinence of modeling hypotheses. Sensitivity analyses, regarding initial ovalization and helical pitch of the pressure armor are also addressed.
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ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
June 19–24, 2011
Rotterdam, The Netherlands
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4436-6
PROCEEDINGS PAPER
Crushing of Flexible Pipes Under Traction: A Theoretical-Experimental Assessment
Guilherme R. Franzini,
Guilherme R. Franzini
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
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Celso P. Pesce,
Celso P. Pesce
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
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Fernanda C. M. Takafuji,
Fernanda C. M. Takafuji
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
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Rodolfo T. Gonc¸alves,
Rodolfo T. Gonc¸alves
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
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Rafael Tanaka,
Rafael Tanaka
Prysmian Cables and Systems, Vila Velha, ES, Brazil
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Marcelo Silva,
Marcelo Silva
Prysmian Cables and Systems, Vila Velha, ES, Brazil
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Teo´filo Barbosa,
Teo´filo Barbosa
Prysmian Cables and Systems, Vila Velha, ES, Brazil
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Carlos A. Godinho
Carlos A. Godinho
Prysmian Cables and Systems, Vila Velha, ES, Brazil
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Guilherme R. Franzini
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
Celso P. Pesce
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
Fernanda C. M. Takafuji
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
Rodolfo T. Gonc¸alves
University of Sa˜o Paulo, Sa˜o Paulo, SP, Brazil
Rafael Tanaka
Prysmian Cables and Systems, Vila Velha, ES, Brazil
Marcelo Silva
Prysmian Cables and Systems, Vila Velha, ES, Brazil
Teo´filo Barbosa
Prysmian Cables and Systems, Vila Velha, ES, Brazil
Carlos A. Godinho
Prysmian Cables and Systems, Vila Velha, ES, Brazil
Paper No:
OMAE2011-49524, pp. 503-512; 10 pages
Published Online:
October 31, 2011
Citation
Franzini, GR, Pesce, CP, Takafuji, FCM, Gonc¸alves, RT, Tanaka, R, Silva, M, Barbosa, T, & Godinho, CA. "Crushing of Flexible Pipes Under Traction: A Theoretical-Experimental Assessment." Proceedings of the ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. Volume 4: Pipeline and Riser Technology. Rotterdam, The Netherlands. June 19–24, 2011. pp. 503-512. ASME. https://doi.org/10.1115/OMAE2011-49524
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