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Probabilistic seismic demand modeling of local level response parameters of an RC frame

Freddi, F; Padgett, JE; Dall'Asta, A; (2017) Probabilistic seismic demand modeling of local level response parameters of an RC frame. Bulletin of Earthquake Engineering , 15 (1) pp. 1-23. 10.1007/s10518-016-9948-x. Green open access

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Abstract

Probabilistic methods to evaluate the seismic vulnerability of reinforced concrete (RC) frames are largely used in the context of performance based design and assessment, often describing the structural response using global engineering demand parameters (EDPs) such as the maximum interstory drift. While such EDPs are able to synthetically describe the structural behavior, the use of local EDPs is necessary to provide a more realistic and thorough description of failure mechanisms of low-ductility frames lacking seismic details. The objective of this paper is to investigate viable probabilistic seismic demand models of local EDPs, which may be used in developing fragility curves for the assessment of the low-ductility RC frames. The present work explores adequate regression models, probability distributions and uncertainty variation of the demand models. In addition, the adequacy of several ground motion intensity measures (IMs) to be used for predictive modeling of local EDPs is investigated. A realistic benchmark three-story RC frame representative of non-ductile buildings is used as a case study to identify key considerations.

Type: Article
Title: Probabilistic seismic demand modeling of local level response parameters of an RC frame
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s10518-016-9948-x
Publisher version: http://dx.doi.org/10.1007/s10518-016-9948-x
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Technology, Physical Sciences, Engineering, Geological, Geosciences, Multidisciplinary, Engineering, Geology, Low-ductility reinforced concrete frames, Fragility curves, Probabilistic seismic demand models, Local engineering demand parameters, Intensity measures, REINFORCED-CONCRETE MEMBERS, MOTION INTENSITY MEASURES, GROUND MOTIONS, SELECTION, VULNERABILITY, UNCERTAINTY, BUILDINGS, DUCTILITY, BRIDGES, RECORDS
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1574845
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