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Title: | A risk-consistent approach to determine EN1998 behaviour factors for lateral load resisting systems | Authors: | Vamvatsikos, Dimitrios Bakalis, Konstantinos Kohrangi, Mohsen Pyrza, Stella Castiglioni, Carlo Andrea Kanyilmaz, Alper Morelli, Francesco Stratan, Aurel D'Aniello, Mario Calado, Luis Proenca, Jorge Miguel DEGEE, Herve Hoffmeister, Benno Pinkawa, Marius Thanopoulos, Pavlos Vayas, Ioannis |
Issue Date: | 2020 | Publisher: | ELSEVIER SCI LTD | Source: | SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 131 (Art N° 106008) | Abstract: | A risk-consistent approach is proposed for the evaluation of behaviour factors that are compatible with Eurocode 8, using nonlinear static and dynamic analysis. It comprises seven discrete steps, involving hazard assessment and record selection at multiple sites, designing and modelling multiple archetype buildings and assessing their performance vis-a-vis target safety objectives. In all cases, uncertainty is incorporated and propagated to the final results whereby a flexible verification procedure is offered to account for the confidence of the investigator on the data available. An example application is offered on steel concentrically braced frames, highlighting the need for selecting appropriate performance targets for Europe. The overall added value goes beyond the current state of art, offering a consistent risk basis for the seismic design of different systems that is compatible with current uniform hazard design spectra and can benefit from future risk-targeted hazard maps. | Notes: | Vamvatsikos, D (reprint author), Natl Tech Univ Athens, Sch Civil Engn, Inst Steel Struct, Athens, Greece. divamva@mail.ntua.gr; kbakalis@mail.ntua.gr; mohsen.kohrangi@redrisk.com; pirzast@hotmail.com; carlo.castiglioni@polimi.it; alper.kanyilmaz@polimi.it; francesco.morelli@dic.unipi.it; aurel.stratan@upt.ro; mdaniel@unina.it; calado@civil.ist.utl.pt; jmiguel@civil.ist.utl.pt; herve.degee@uhasselt.be; hoff@stb.rwth-aachen.de; M.Pinkawa@stb.rwth-aachen.de; pavlosth@central.ntua.gr; vastahl@central.ntua.gr |
Other: | Vamvatsikos, D (reprint author), Natl Tech Univ Athens, Sch Civil Engn, Inst Steel Struct, Athens, Greece. divamva@mail.ntua.gr; kbakalis@mail.ntua.gr; mohsen.kohrangi@redrisk.com; pirzast@hotmail.com; carlo.castiglioni@polimi.it; alper.kanyilmaz@polimi.it; francesco.morelli@dic.unipi.it; aurel.stratan@upt.ro; mdaniel@unina.it; calado@civil.ist.utl.pt; jmiguel@civil.ist.utl.pt; herve.degee@uhasselt.be; hoff@stb.rwth-aachen.de; M.Pinkawa@stb.rwth-aachen.de; pavlosth@central.ntua.gr; vastahl@central.ntua.gr | Keywords: | Performance-based earthquake engineering;Seismic risk;Behaviour factor;Uncertainty;Eurocodes;Steel structures | Document URI: | http://hdl.handle.net/1942/31263 | ISSN: | 0267-7261 | e-ISSN: | 1879-341X | DOI: | 10.1016/j.soildyn.2019.106008 | ISI #: | WOS:000527311300003 | Rights: | 2019 Elsevier Ltd. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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