Performance-based design with life-cycle cost assessment for damping systems integrated in wind excited tall buildings

dc.contributor.author Micheli, Laura
dc.contributor.author Alipour, Alice
dc.contributor.author Laflamme, Simon
dc.contributor.author Laflamme, Simon
dc.contributor.author Sarkar, Partha
dc.contributor.department Aerospace Engineering
dc.contributor.department Civil, Construction and Environmental Engineering
dc.date 2019-08-17T06:04:35.000
dc.date.accessioned 2020-06-30T01:13:03Z
dc.date.available 2020-06-30T01:13:03Z
dc.date.copyright Tue Jan 01 00:00:00 UTC 2019
dc.date.embargo 2021-06-14
dc.date.issued 2019-09-15
dc.description.abstract <p>The application of performance-based design (PBD) is gaining increasing interest in the wind engineering community. A popular design approach to minimize wind induced vibrations in flexible civil structures is to size structural stiffness and supplemental damping systems in order to restrict the motion to a given threshold for providing safety and comfort, while ensuring that structural components meet strength requirements. In this paper the PBD paradigm is extended to wind excited tall buildings equipped with motion control systems. The objective is to improve the design of damping systems under different wind events while considering maximum acceleration as performance measure. In addition, since the installation of damping devices implies additional costs (e.g., installation and maintenance costs) while it helps decreasing the costs associated with performance failure, a life-cycle analysis (LCA) is integrated in the PBD. In the LCA framework, the percentage of building occupants affected by discomfort and motion sickness caused by excessive wind-induced vibrations is considered to account for the consequences of different target performance levels. The developed PBD is applied to a 39-story building that has documented issues with excessive vibrations under wind events. The wind load is simulated as a multivariate stochastic process, in the time domain. Two passive vibration mitigation strategies are investigated: viscous and friction dampers, both designed to meet the target performance levels. LCA are conducted for the building equipped with each damper type, and benchmarked against the one without dampers. Results show that the PBD leads to a rational and economically effective approach for the design of the damping systems in wind excited tall buildings.</p>
dc.description.comments <p>This is a manuscript of an article published as Micheli, Laura, Alice Alipour, Simon Laflamme, and Partha Sarkar. "Performance-based design with life-cycle cost assessment for damping systems integrated in wind excited tall buildings." <em>Engineering Structures</em> 195 (2019): 438-451. DOI: <a href="http://dx.doi.org/10.1016/j.engstruct.2019.04.009" target="_blank">10.1016/j.engstruct.2019.04.009</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/ccee_pubs/236/
dc.identifier.articleid 1235
dc.identifier.contextkey 14781318
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath ccee_pubs/236
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/13888
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/ccee_pubs/236/2019_LaflammeSimon_PerformanceBased.pdf|||Fri Jan 14 22:49:11 UTC 2022
dc.source.uri 10.1016/j.engstruct.2019.04.009
dc.subject.disciplines Aerodynamics and Fluid Mechanics
dc.subject.disciplines Construction Engineering and Management
dc.subject.disciplines Structures and Materials
dc.title Performance-based design with life-cycle cost assessment for damping systems integrated in wind excited tall buildings
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 84547f08-8710-4934-b91e-ba5f46ab9abe
relation.isOrgUnitOfPublication 047b23ca-7bd7-4194-b084-c4181d33d95d
relation.isOrgUnitOfPublication 933e9c94-323c-4da9-9e8e-861692825f91
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