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Spectral Shape Proxies and Simplified Fragility Analysis of Mid- Rise Reinforced Concrete Buildings

Minas, S; Galasso, C; Rossetto, T; (2015) Spectral Shape Proxies and Simplified Fragility Analysis of Mid- Rise Reinforced Concrete Buildings. Presented at: 12th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP12), Vancouver, Canada. Green open access

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Abstract

The objective of this study is to identify an optimal intensity measure (IM) for conditioning probabilistic seismic demands of case-study reinforced concrete (RC) frame buildings, representative of mid-rise RC building classes in the Mediterranean region. The prediction is performed via statistical relationship between multiple IMs (particularly advanced scalar parameters accounting for spectral shape over a range of periods) and various displacement-based engineering demand parameters (EDPs). Such statistical relationships are built on data obtained from analysis of the frames subjected to over nine hundred ground motion records by employing an innovative capacity spectrum method, introduced in the paper, which uses inelastic response spectra derived from actual earthquake accelerograms to estimate seismic demand and derive fragility curves. The outcomes of the present work are in a good agreement with previous investigations conducted by other researchers on selecting optimal IMs for predicting structural response by using full nonlinear dynamic analyses for different structural typologies.

Type: Conference item (UNSPECIFIED)
Title: Spectral Shape Proxies and Simplified Fragility Analysis of Mid- Rise Reinforced Concrete Buildings
Event: 12th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP12)
Location: Vancouver, Canada
Dates: 12 July 2015 - 15 July 2015
Open access status: An open access version is available from UCL Discovery
Publisher version: http://dx.doi.org/10.14288/1.0076170
Language: English
Additional information: Available for re-use under the terms of a Attribution-NonCommercial-NoDerivs 2.5 Canada (CC BY-NC-ND 2.5 CA) Licence. http://creativecommons.org/licenses/by-nc-nd/2.5/ca/
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/1471786
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