Rapid assessment for seismic vulnerability of low and medium rise infilled RC frame buildings

An indexing method for rapid evaluation of the seismic vulnerability of infi lled RC frame buildings in Jordan is proposed. The method aims at identifying low and medium rise residential buildings as safe or in need of further detailed evaluation. Following a rapid visual screening, the building is...

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Bibliographic Details
Published in:Earthquake Engineering and Engineering Vibration 2015-06, Vol.14 (2), p.275-293
Main Author: Hanan Al-Nimry Musa Resheidat Saddam Qeran
Format: Article
Language:English
Subjects:
assessment
capacity
Buildings
Civil Engineering
Control
Dynamical Systems
Earth and Environmental Science
Earth Sciences
Earthquake damage
Earthquakes
Geotechnical Engineering & Applied Earth Sciences
Residential areas
seismic
Seismic activity
Seismic surveys
Seismology
Vibration
vulnerability
rapid
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Summary:An indexing method for rapid evaluation of the seismic vulnerability of infi lled RC frame buildings in Jordan is proposed. The method aims at identifying low and medium rise residential buildings as safe or in need of further detailed evaluation. Following a rapid visual screening, the building is assigned a Basic Capacity Index(BCI); fi ve performance modifi ers are identifi ed and multiplied by the BCI to arrive at the Capacity Index(CI) of the building. A Capacity Index lower than a limit CI value indicates that the screened building could experience moderate earthquake damage whereas a higher value implies that minor damage, if any, would take place. To establish the basic evaluation parameters; forty RC frame buildings were selected, designed and analyzed using static nonlinear analysis and incorporating the effect of infi ll walls. Effects of seismicity, local site conditions, horizontal irregularities(setbacks and re-entrant corners), vertical irregularities(soft story at ground fl oor level) and overhangs on the seismic performance of local buildings were examined. Assessment forms were designed and used to evaluate and rank 112 sample buildings. About 40% of the surveyed buildings were found to be in need of detailed evaluation to better defi ne their seismic vulnerabilities.
ISSN:1671-3664
1993-503X
DOI:10.1007/s11803-015-0023-4