Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/31263
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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