NDLI: Seismic analysis and strengthening of Pico Island Churches

Content Provider	Springer Nature Link
Author	Arêde, António Costa, Aníbal Moreira, Domingos Neves, Nu
Copyright Year	2011
Abstract	The proposed study addresses the development of an integrated strategy for modelling, experimental calibration, numerical analysis and seismic strengthening carried out in two churches of the Pico Island, Azores, namely the Bandeiras and the Madalena churches. Following an initial description of the observed damages resulting from the 1998 earthquake, the modelling option for the churches’ structures is outlined. Reference is made to the use of ambient vibration tests that led to the definition of the experimental vibration frequencies and mode shapes which were then compared to the numerical ones for calibration purposes. Seismic analyses were carried out using the actual records of the referred earthquake and the obtained results were analysed in light of the real observed damages. Numerical findings were then used to support proposals for seismic strengthening strategies which are also described and illustrated. The proposals follow a design based approach in the sense that very refined analysis may not be indispensible if the seismic strengthening of this type of structures is mainly directed towards the improvement of the global structure response by enforcing a “box-type” behaviour through simple and not very expensive interventions.
Starting Page	181
Ending Page	209
Page Count	29
File Format	PDF
ISSN	1570761X
Journal	Bulletin of Earthquake Engineering
Volume Number	10
Issue Number	1
e-ISSN	15731456
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-11-04
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Numerical modelling Experimental calibration Ambient vibration Seismic analysis Seismic strengthening strategies and implementation Geophysics/Geodesy Structural Geology Geotechnical Engineering & Applied Earth Sciences Hydrogeology Civil Engineering Environmental Engineering/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Building and Construction Geophysics Geotechnical Engineering and Engineering Geology Civil and Structural Engineering

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