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A targeted nonlinear dynamic procedure to evaluate the seismic performance of structures

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dc.contributor.author Vamvatsikos, D en
dc.contributor.author Aschheim, M en
dc.contributor.author Comartin, CD en
dc.date.accessioned 2014-03-01T02:52:51Z
dc.date.available 2014-03-01T02:52:51Z
dc.date.issued 2011 en
dc.identifier.uri http://hdl.handle.net/123456789/36110
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-80054809752&partnerID=40&md5=5a4d6b605e8b8e5b6b2b6bc8503a00f4 en
dc.subject Demand and capacity factored design en
dc.subject Nonlinear dynamic analysis en
dc.subject Perfor-mance assessment en
dc.subject Performance-based earthquake engineering en
dc.subject Uncertainty en
dc.subject.other Demand and capacity factored design en
dc.subject.other Non-linear dynamic analysis en
dc.subject.other Perfor-mance assessment en
dc.subject.other Performance-based earthquake engineering en
dc.subject.other Uncertainty en
dc.subject.other Civil engineering en
dc.subject.other Computational methods en
dc.subject.other Dynamic analysis en
dc.subject.other Earthquake resistance en
dc.subject.other Earthquakes en
dc.subject.other Engineering geology en
dc.subject.other Reinforced concrete en
dc.subject.other Safety factor en
dc.subject.other Seismic design en
dc.subject.other Seismic waves en
dc.subject.other Structural analysis en
dc.subject.other Structural dynamics en
dc.subject.other Uncertainty analysis en
dc.subject.other Nonlinear analysis en
dc.title A targeted nonlinear dynamic procedure to evaluate the seismic performance of structures en
heal.type conferenceItem en
heal.publicationDate 2011 en
heal.abstract The Targeted Nonlinear Dynamic Procedure is introduced to offer a practical evaluation of the seismic performance of structures. Building upon the SAC/FEMA closed-form probabilistic framework it can incorporate all important sources of variability and can be calibrated for conservatism. The hazard curve is combined with the nonlinear dynamic analysis performed for each limit-state using one or two levels of the intensity measure. This is either the elastic first-mode spectral acceleration or the more sufficient inelastic spectral displacement. From the suite of ground motion records only ""targeted"" subsets are used that are optimally selected to estimate the median and dispersion of the structural response. The simple factored demand and capacity checking format employed allows for a seamless integration with current engineering practice, while rational safety factors add the required degree of conservatism to account for epistemic uncertainties both for ductile and brittle modes of failure. Using a four-story reinforced concrete frame as an example, the proposed approach is shown to provide a relatively simple means to account for important sources of variability in nonlinear response history analysis. It offers powerful analysis options to a knowledgeable user in a format that can be upgraded incrementally and can provide an excellent introduction to sophisticated analysis techniques with more precisely controlled levels of conservatism. en
heal.journalName ECCOMAS Thematic Conference - COMPDYN 2011: 3rd International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering: An IACM Special Interest Conference, Programme en


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