The prevailing lack of proper and uniform seismic design guidelines for piping systems impels designers to follow standards conceived for other structures, such as buildings. The modern performance-based design approach is yet to be widely adopted for piping systems, while the allowable stress design method is still the customary practice. This paper presents a performance-based seismic analysis of petrochemical piping systems coupled with support structures through a case study. We start with a concept of performance-based analysis, followed by establishing a link between limit states and earthquake levels, exemplifying Eurocode and Italian prescriptions. A brief critical review on seismic design criteria of piping, including interactions between piping and support, is offered thereafter. Finally, to illustrate actual applications of the performance-based analysis, non-linear analyses on a realistic petrochemical piping system is performed to assess its seismic performance.
Performance-Based Analysis of Coupled Support Structures and Piping Systems Subject to Seismic Loading
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Bursi, OS, Paolacci, F, & Reza, MS. "Performance-Based Analysis of Coupled Support Structures and Piping Systems Subject to Seismic Loading." Proceedings of the ASME 2015 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Boston, Massachusetts, USA. July 19–23, 2015. V008T08A021. ASME. https://doi.org/10.1115/PVP2015-45123
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