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Performance of a Post-Byzantine Triple-Domed Basilica under Near and Far Fault Seismic Loads: Analysis and Intervention
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Author(s): Constantine C. Spyrakos (National Technical University of Athens, Greece), Charilaos A. Maniatakis (National Technical University of Athens, Greece), Panagiotis Kiriakopoulos (National Technical University of Athens, Greece), Alessio Francioso (National Technical University of Athens, Greece)and Ioannis M. Taflampas (National Technical University of Athens, Greece)
Copyright: 2015
Pages: 37
Source title:
Handbook of Research on Seismic Assessment and Rehabilitation of Historic Structures
Source Author(s)/Editor(s): Panagiotis G. Asteris (School of Pedagogical & Technological Education, Greece)and Vagelis Plevris (School of Pedagogical & Technological Education, Greece)
DOI: 10.4018/978-1-4666-8286-3.ch028
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Abstract
In this Chapter a triple-domed basilica constructed at the end of the 19th century is selected as a case study to present a methodology for the selection of the appropriate intervention techniques in monumental structures. The methodology includes in-situ and laboratory testing, application of analytical methods, consideration of geotechnical parameters and regional seismicity. Seismic loads are estimated according to contemporary and older concepts for seismic design. Since the impact of near-fault phenomena on masonry structures has not been thoroughly studied, although considered as responsible for extensive structural damage during major seismic events, a procedure is presented in order to account for the special characteristics of strong ground motion, in the so-called near-fault region. The seismic performance of the structure before and after interventions, using traditional and new technology, is assessed by applying a validated finite element model. Also, the out-of-plane behavior of structural parts is evaluated through kinematic analysis of selective collapse mechanisms.
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