Passive Control of Seismic Response of Piping Systems
Abstract
Passive energy dissipating devices, such as elastoplastic dampers (EPDs) can be used for eliminating snubbers and reducing the response of piping systems subjected to seismic loads. Cantilever and three-dimensional piping systems were tested with and without EPD on shaker table. Using a finite element model of the piping systems, linear and nonlinear time-history analysis is carried out using Newmark’s time integration technique. Equivalent linearization technique, such as Caughey method, is used to evaluate the equivalent damping of the piping systems supported on elastoplastic damper. An iterative response spectrum method is used for evaluating response of the piping system using this equivalent damping. The analytical maximum response displacement obtained at the elastoplastic damper support for the two piping systems is compared with experimental values and time history analysis values. It has been concluded that the iterative response spectrum technique using Caughey equivalent damping is simple and results in reasonably acceptable response of the piping systems supported on EPD.
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Dampers (viscoelastic, elastic-plastic, etc.) were very effective in reducing the seismic response of the piping system.
“to show that these dampers were very effective in reducing the seismic response of the piping system.”
From Vibration control of fluid-conveying pipes: a state-of-the-art review (2023) · cites this paper as [85]
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Vibration control of fluid-conveying pipes: a state-of-the-art review
Ding, H., & Ji, J. C. (2023) · Applied Mathematics and Mechanics · doi:10.1007/s10483-023-3023-9 · Cited by 132 · see citing works
“In 2005, Parulekar et al.([85]) introduced elastoplastic dampers as supports for the seismic resistance of cantilever pipes and 3D piping systems.”
Background
- Authors
- Parulekar, Y. M., Reddy, G. R., Vaze, K. K., & Muthumani, K.
- Affiliations
- Bhabha Atomic Research Centre (IN)
- Structural Engineering Research Centre (IN)
- Venue
- Journal of Pressure Vessel Technology
- Publisher
- Wiley
- Published
- 2005-08-30
- Volume
- 128
- Issue
- 3
- Pages
- 364-369
- ISSN
- 0094-9930 (ISSN-L)
- 1528-8978
- OpenAlex
- W2115680596
- Cited by
- 8
- References
- 0
- Citations by year
- 2024: 1 · 2023: 2 · 2018: 1 · 2012: 1
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Pressure Vessel Technology (publishedVersion)
- Funders
- Bhabha Atomic Research Centre
- Topics
- Physical Sciences › Engineering › Civil and Structural Engineering › Seismic Performance and Analysis
- Physical Sciences › Engineering › Civil and Structural Engineering › Vibration Control and Rheological Fluids
- Physical Sciences › Engineering › Control and Systems Engineering › Vibration and Dynamic Analysis
- Keywords
- passive seismic control, piping systems, elastoplastic damper, energy dissipation devices, equivalent damping, equivalent linearization, time history analysis
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