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IDA & Cloud Method for Fragility Assessment of Bare & Infilled Steel Frame Structures

Nassirpour, A; Song, B; D'Ayala, D; (2017) IDA & Cloud Method for Fragility Assessment of Bare & Infilled Steel Frame Structures. In: Proceedings of the 16th World Conference on Earthquake Engineering. (pp. pp. 1-12). National Information Centre of Earthquake Engineering: Santiago, Chile. Green open access

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Abstract

In this study, the seismic performance of two- and four- storey steel framed structures has been assessed and compared in terms of capacity and fragility. Full scale three-dimensional models of the selected structures have been simulated once as bare steel frame and once while considering the effect of masonry infilled panels, to have the most realistic representation. Furthermore, the selected structures have been designed following two methods of only gravity loading and considering additional seismic excitation. The seismic behaviour has been evaluated through Incremental Dynamic Analysis (IDA) and the Cloud method (NLTHA). A comparison of resultant structural behaviour and fragility functions for both bare and infilled cases indicates that the structural effect of masonry infill panels should not be neglected, as they have a significant influence on the lateral stiffness, strength and ductility of the entire structural system and ignoring it would be hazardous.

Type: Proceedings paper
Title: IDA & Cloud Method for Fragility Assessment of Bare & Infilled Steel Frame Structures
Event: 16th World Conference on Earthquake Engineering
Location: Santiago, Chile
Dates: 9th-13th January 2017
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.wcee.nicee.org/wcee/article/16WCEE/WCE...
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: Incremental Dynamic Analysis (IDA); Cloud Method; Nonlinear Time History; Fragility Curve; Infilled Steel Frame
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/1551371
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