Experimental study on the mechanical behavior of buried pipelines subjected to thermal load cycles
Published 2024-04-12
Keywords
- experimental study,
- piping stress analysis,
- mechanical behavior,
- thermal loads,
- finite elements
- buried pipes,
- soil mechanics,
- geotechnical engineering,
- petroleum engineering,
- numerical modeling ...More
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Abstract
En este trabajo se presenta un estudio experimental sobre el comportamiento mecánico de tuberías enterradas sometidas a ciclos de carga térmica. En primer lugar, se miden los esfuerzos y las deformaciones de manera experimental sobre una tubería enterrada sometida a cargas térmicas monotónicas y cíclicas, reproduciendo de esta manera las condiciones típicas de operación de sistemas de tubería enterrados. Posteriormente, se elabora un modelo numérico usando el método de los elementos finitos, el cual se validó utilizando los resultados obtenidos experimentales. A continuación, este modelo computacional se utilizó para llevar a cabo un estudio paramétrico de la influencia de las propiedades mecánicas del suelo sobre en el estado de esfuerzos del sistema. Finalmente, a partir de los resultados tanto experimentales como numéricos se concluyó que el caso más crítico para la tubería enterrada corresponde al primer ciclo de carga térmica y que las demás variables estudiadas tienen poco impacto.
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