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International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP) (12th : 2015)
Analytical seismic vulnerability assessment for a class of modern low-rise steel frames Kazantzi, Athanasia K.; Vamvatsikos, Dimitrios; Porter, Keith
Abstract
A set of guidelines was developed for the Global Earthquake Model (GEM), aiming to offer a practical, yet sufficiently accurate, analytical method for assessing the relationship between the ground shaking and the repair cost for a building class. The present work illustrates the methodology for a class of modern low-rise steel moment-resisting frames (SMRFs). The structural analysis is performed using Incremental Dynamic Analysis (IDA). The selection of a single Intensity Measure (IM) to parameterize IDA results and, eventually, vulnerability curves is being tackled through an extended IM comparison study across the entire structural response range considering both interstory drifts and peak floor accelerations. It is demonstrated that scalar IMs, defined as the geometric mean of spectral accelerations values Sagm(Ti) estimated at several periods Ti can have an overall satisfactory performance. Once the uncertain structural response is determined, the methodology proceeds to the vulnerability estimation and consequently to loss assessment that is built upon a simplified component-based FEMA P-58 style methodology. The end product of this study is a high-quality set of vulnerability curves whose weighted moments are taken as the uncertain vulnerability function of the investigated building class.
Item Metadata
Title |
Analytical seismic vulnerability assessment for a class of modern low-rise steel frames
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Creator | |
Contributor | |
Date Issued |
2015-07
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Description |
A set of guidelines was developed for the Global Earthquake Model (GEM), aiming to
offer a practical, yet sufficiently accurate, analytical method for assessing the relationship between the
ground shaking and the repair cost for a building class. The present work illustrates the methodology
for a class of modern low-rise steel moment-resisting frames (SMRFs). The structural analysis is
performed using Incremental Dynamic Analysis (IDA). The selection of a single Intensity Measure
(IM) to parameterize IDA results and, eventually, vulnerability curves is being tackled through an
extended IM comparison study across the entire structural response range considering both interstory
drifts and peak floor accelerations. It is demonstrated that scalar IMs, defined as the geometric mean of
spectral accelerations values Sagm(Ti) estimated at several periods Ti can have an overall satisfactory
performance. Once the uncertain structural response is determined, the methodology proceeds to the
vulnerability estimation and consequently to loss assessment that is built upon a simplified component-based
FEMA P-58 style methodology. The end product of this study is a high-quality set of
vulnerability curves whose weighted moments are taken as the uncertain vulnerability function of the
investigated building class.
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Genre | |
Type | |
Language |
eng
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Notes |
This collection contains the proceedings of ICASP12, the 12th International Conference on Applications of Statistics and Probability in Civil Engineering held in Vancouver, Canada on July 12-15, 2015. Abstracts were peer-reviewed and authors of accepted abstracts were invited to submit full papers. Also full papers were peer reviewed. The editor for this collection is Professor Terje Haukaas, Department of Civil Engineering, UBC Vancouver.
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Date Available |
2015-05-25
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivs 2.5 Canada
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DOI |
10.14288/1.0076277
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URI | |
Affiliation | |
Citation |
Haukaas, T. (Ed.) (2015). Proceedings of the 12th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP12), Vancouver, Canada, July 12-15.
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Peer Review Status |
Unreviewed
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Scholarly Level |
Faculty
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Rights URI | |
Aggregated Source Repository |
DSpace
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Rights
Attribution-NonCommercial-NoDerivs 2.5 Canada