Numerical simulation of external loads on buried pipelines

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Artikelnummer
00258_2017_02_03
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Within the scope of the presented work, a simulation model was developed which completely depicts the buried pipeline and the surrounding soil. The model was validated using a number of analytical methods. The bedding conditions of the pipe trench are described by means of a standardized criterion which takes into account the filled soil type and the degree of compaction. The modular design allows the application of any loads, e.g. earth loads, traffic loads or temperature strains. The result provides a three-dimensional deformation plot of the pipeline and the ground. The “extended elastic analysis” according to DIN EN 1594 is used as stress criterion for structural integrity assessment. The model can be used to answer specific engineering questions, e.g. in the framework of structural modifications or construction of high-pressure gas pipelines. The holistic assessment can also be provided to authorized technical experts to support the scope of expert opinions.
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Autoren Johannes Brückner / Christian Engel / Ulrich Marewski / Michael Steiner
Erscheinungsdatum 01.02.2017
Format PDF
Zeitschrift gas for energy - Ausgabe 02 2017
Verlag DIV Deutscher Industrieverlag GmbH
Sprache English
Seitenzahl 9
Titel Numerical simulation of external loads on buried pipelines
Beschreibung Within the scope of the presented work, a simulation model was developed which completely depicts the buried pipeline and the surrounding soil. The model was validated using a number of analytical methods. The bedding conditions of the pipe trench are described by means of a standardized criterion which takes into account the filled soil type and the degree of compaction. The modular design allows the application of any loads, e.g. earth loads, traffic loads or temperature strains. The result provides a three-dimensional deformation plot of the pipeline and the ground. The “extended elastic analysis” according to DIN EN 1594 is used as stress criterion for structural integrity assessment. The model can be used to answer specific engineering questions, e.g. in the framework of structural modifications or construction of high-pressure gas pipelines. The holistic assessment can also be provided to authorized technical experts to support the scope of expert opinions.
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