A mechanical model to determine upheaval buckling of buried submarine pipelines
Thermal loads in submarine pipelines generate an axial compressive load that can force the pipeline to buckle, leading to failure if these loads are not considered in the design. Buried pipes are constraint to displacements in all directions, which leads to a high compressive load in the longitudina...
| Autori principali: | , , , |
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| Natura: | Articolo |
| Lingua: | English |
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Universidad de Antioquia
2021-10-01
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| Serie: | Revista Facultad de Ingeniería Universidad de Antioquia |
| Soggetti: | |
| Accesso online: | https://revistas.udea.edu.co/index.php/ingenieria/article/view/344509 |
| _version_ | 1827981528157650944 |
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| author | Paulo Teixeira Marco A. González de León Carlos Graciano Carlos Alberto Vega-Posada |
| author_facet | Paulo Teixeira Marco A. González de León Carlos Graciano Carlos Alberto Vega-Posada |
| author_sort | Paulo Teixeira |
| collection | DOAJ |
| description | Thermal loads in submarine pipelines generate an axial compressive load that can force the pipeline to buckle, leading to failure if these loads are not considered in the design. Buried pipes are constraint to displacements in all directions, which leads to a high compressive load in the longitudinal axis and makes the pipes more vulnerable to buckling. If buried pipes under thermal loads do not buckle, a high-stresses state takes place when it is combined with high-pressure conditions. In this work, a simple mechanical model to determine the axial buckling load of a buried pipeline is proposed. The model is based on a simply supported beam subjected to a distributed transverse load representing the soil uplift resistance obtained from a referenced model, and an axial compressive load that represents the effective axial force and is computed according to the DNV-RP-F110. Additionally, the pipe–soil system is analyzed through a non-linear finite element model to compare the results with the analytical solution. The proposed simple mechanical model can capture the upheaval buckling behavior and provides results that are consistent with the numerical analysis, specifically for the two main parameters evaluated, namely, the initial pipe curvature and the magnitude of the transverse load. |
| first_indexed | 2024-04-09T22:11:00Z |
| format | Article |
| id | doaj.art-c2ceb4a8c6e24cd9a8d727b95bf50b31 |
| institution | Directory Open Access Journal |
| issn | 0120-6230 2422-2844 |
| language | English |
| last_indexed | 2024-04-09T22:11:00Z |
| publishDate | 2021-10-01 |
| publisher | Universidad de Antioquia |
| record_format | Article |
| series | Revista Facultad de Ingeniería Universidad de Antioquia |
| spelling | doaj.art-c2ceb4a8c6e24cd9a8d727b95bf50b312023-03-23T12:27:05ZengUniversidad de AntioquiaRevista Facultad de Ingeniería Universidad de Antioquia0120-62302422-28442021-10-0110610.17533/udea.redin.20211061A mechanical model to determine upheaval buckling of buried submarine pipelinesPaulo Teixeira0Marco A. González de León1Carlos Graciano2Carlos Alberto Vega-Posada3Universidad Simón BolívarUniversidad Simón BolívarUniversidad NacionalUniversidad de AntioquiaThermal loads in submarine pipelines generate an axial compressive load that can force the pipeline to buckle, leading to failure if these loads are not considered in the design. Buried pipes are constraint to displacements in all directions, which leads to a high compressive load in the longitudinal axis and makes the pipes more vulnerable to buckling. If buried pipes under thermal loads do not buckle, a high-stresses state takes place when it is combined with high-pressure conditions. In this work, a simple mechanical model to determine the axial buckling load of a buried pipeline is proposed. The model is based on a simply supported beam subjected to a distributed transverse load representing the soil uplift resistance obtained from a referenced model, and an axial compressive load that represents the effective axial force and is computed according to the DNV-RP-F110. Additionally, the pipe–soil system is analyzed through a non-linear finite element model to compare the results with the analytical solution. The proposed simple mechanical model can capture the upheaval buckling behavior and provides results that are consistent with the numerical analysis, specifically for the two main parameters evaluated, namely, the initial pipe curvature and the magnitude of the transverse load.https://revistas.udea.edu.co/index.php/ingenieria/article/view/344509Comparative analysissoil mechanicssubmarine pipelinesupheaval buckling |
| spellingShingle | Paulo Teixeira Marco A. González de León Carlos Graciano Carlos Alberto Vega-Posada A mechanical model to determine upheaval buckling of buried submarine pipelines Revista Facultad de Ingeniería Universidad de Antioquia Comparative analysis soil mechanics submarine pipelines upheaval buckling |
| title | A mechanical model to determine upheaval buckling of buried submarine pipelines |
| title_full | A mechanical model to determine upheaval buckling of buried submarine pipelines |
| title_fullStr | A mechanical model to determine upheaval buckling of buried submarine pipelines |
| title_full_unstemmed | A mechanical model to determine upheaval buckling of buried submarine pipelines |
| title_short | A mechanical model to determine upheaval buckling of buried submarine pipelines |
| title_sort | mechanical model to determine upheaval buckling of buried submarine pipelines |
| topic | Comparative analysis soil mechanics submarine pipelines upheaval buckling |
| url | https://revistas.udea.edu.co/index.php/ingenieria/article/view/344509 |
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