In this paper, performance criteria for the seismic design of industrial liquid storage tanks and piping systems are proposed, aimed at introducing those industrial components into a performance-based design (PBD) framework. Considering “loss of containment” as the ultimate damage state, the proposed limit states are quantified in terms of local quantities obtained from a simple and efficient earthquake analysis. Liquid storage tanks and the corresponding principal failure modes (elephant's foot buckling, roof damage, base plate failure, anchorage failure, and nozzle damage) are examined first. Subsequently, limit states for piping systems are presented in terms of local strain at specific piping components (elbows, Tees, and nozzles) against ultimate strain capacity (tensile and compressive) and low-cycle fatigue. Modeling issues for liquid storage tanks and piping systems are also discussed, compared successfully with available experimental data, and simple and efficient analysis tools are proposed, toward reliable estimates of local strain demand. Using the above reliable numerical models, the proposed damage states are examined in two case studies: (a) a liquid storage tank and (b) a piping system, both located in areas of high seismicity.
Performance Criteria for Liquid Storage Tanks and Piping Systems Subjected to Seismic Loading
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received March 15, 2016; final manuscript received May 23, 2017; published online August 24, 2017. Assoc. Editor: Akira Maekawa.
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Vathi, M., Karamanos, S. A., Kapogiannis, I. A., and Spiliopoulos, K. V. (August 24, 2017). "Performance Criteria for Liquid Storage Tanks and Piping Systems Subjected to Seismic Loading." ASME. J. Pressure Vessel Technol. October 2017; 139(5): 051801. https://doi.org/10.1115/1.4036916
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