NDLI: Uncertainty evaluation of after-earthquake damage detection strategy

Content Provider	IEEE Xplore Digital Library
Author	Trapani, D. Maroni, A. Debiasi, E. Zonta, D.
Copyright Year	2015
Description	Author affiliation: Dept. of Civil, Environ. & Mech. Eng., Univ. of Trento, Trento, Italy (Trapani, D.; Maroni, A.; Debiasi, E.; Zonta, D.)
Abstract	After-earthquake assessment of buildings in terms of safety and usability is nowadays performed by technicians who are called to give their judgement based on in-field surveys and visual inspections, often conducting the surveys in the absence of objective data. This implies additional inconvenience for residents and economic losses in the affected area. A near real-time assessment based on objective data related to the seismic response of the structures is possible through the use of monitoring systems that provide observations on the state of the monitored structure, obtaining information on its dynamic response. One of the most reliable parameters that can be correlated to the state of a structure after an earthquake is the ductility demand, expressed in terms of interstory drift. Using acceleration time-history records from the ITACA (Italian Accelerometric Archive) strong-motion database, we investigate the main sources of uncertainties in the estimation of displacement time-histories and interstory drift, using the method of double integration of the acceleration measurements alone. We have found that in general the instrumental uncertainties have less importance than the uncertainties of the model, in particular in the presence of residual displacements at the end of the seismic motion.
Starting Page	125
Ending Page	130
File Size	1212832
Page Count	6
File Format	PDF
e-ISBN	9781479982158
DOI	10.1109/EESMS.2015.7175864
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-09
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accelerometers Uncertainty Computational modeling Cutoff frequency Sensors Acceleration Monitoring
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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