EPFL ENAC IIC RESSLAB
GC B3 485 (Bâtiment GC)
Web site: Web site: https://resslab.epfl.ch/
Fields of expertise
-Seismic Risk Assessment and Retrofit of Existing Structures
-Nonlinear Analysis with Emphasis on Deterioration Phenomena
-Nonlinear Analysis, Design & Evaluation of Steel and Composite-steel Concrete Structures
-Multi-scale Experimental Testing
-Supplemental Damping Systems
-Methods for Earthquake Loss Estimation
BiographyProf. Lignos joined the École Polytechnique Féderale de Lausanne (EPFL) in 2016 from McGill University in Canada where he was a tenured Associate Professor and a William Dawson Scholar for Infrastructure Resilience. He holds a diploma (National Technical University of Athens, NTUA, 2003), M.S. (Stanford University, 2004) and Ph.D. (Stanford University, 2008). In addition, he was a post-doctoral scientist at Stanford University (2009) and in Kyoto University (2010).
Prof. Lignos teaches graduate and undergraduate courses in seismic design, nonlinear behaviour of steel and composite structures as well as supplemental damping systems, Structural Stability, Nonlinear Analysis and Performance-based Earthquake Engineering. His awards for teaching, research and service in Civil Engineering include the 2011, 2021 Outstanding Teaching Awards (Faculty of Engineering, McGill University, Civil Engineering Institute, EPFL), as well as the Outstanding reviewer (2012, 2013, 2021) award from ASCE, the 2013 State-of-the-Art in Civil Engineering Award by ASCE and the 2014 Christophe Pierre Award for Research Excellence - Early Career. Just recently, he received the 2019 Walter L. Huber Civil Engineering Research Prize from ASCE for significant contributions in developing state of the art methods to simulate extreme limit states in steel structures.
Prof. Lignos is a member of ASCE and the Earthquake Engineering Research Institute. He acts as an Associate Editor for Metal Structures and Seismic Effects of the ASCE Journal of Structural Engineering. He joined the Editorial Board of Earthquake Spectra and Earthquake Engineering and Structural Dynamics International journals. He serves as an acting member of the CEN/TC 250/SC 8/WG 2 and has been selected as a member of the Project Team (PT2) for the Eurocode 8-Part 1-1 and 1-2 Current Revisions for Steel and Composite Structures. He is also a member of the Canadian Standards Association (CSA) S16 technical committee for Steel Structures. Prof. Lignos is involved as a NEHRP consultant in numerous research-to-practice projects related to the behaviour and nonlinear modelling and analysis of structures applicable to the engineering practice through the Applied Technology Council (ATC).
Current workStructural stability of steel and composite-steel concrete structures
Supplemental damping systems
Seismic risk and loss assessment
Computational mechanics-based simulation
Inverse plasticity problems
High-performance steel materials
Seismic Assessment of Existing Tall Structures under Long-Duration Ground Motions, Japan Society for the Promotion of Science (JSPS) Scholar
09/2009 - 08/2010
Seismic Retrofit of Existing Steel Structures with Innovative Materials
09/2008 - 09/2009
Sidesway Collapse of Deteriorating Structural Systems under Seismic Excitations
09/2004 - 09/2008
Master or Science
Performance-Based Earthquake Engineering, Program: Structural Engineering and Geomechanics
09/2003 - 06/2004
Civil Engineering/Structural Engineering, Diploma Thesis: Evaluation of Nonlinear Analysis Methods for Seismic Assessment of Steel Structures
National Technical University of Athens (NTUA)
10/1998 - 06/2003
McGill University, Faculty of Engineering
Outstanding reviewer award
American Society of Civil Engineers (ASCE)
Christophe Pierre Award for Research Excellence - Early Career
McGill University, Montreal, Canada The Christophe Pierre Award for Research Excellence recognizes excellence in research by academic staff in the Faculty of Engineering.
ASCE Walter L. Huber Civil Engineering Research Prize
The Walter L. Huber Civil Engineering Prize, which was founded in 1946, is awarded to members of the ASCE in any grade for notable achievements in research related to civil engineering. It is considered the highest-level mid-career research prize.
List of Peer Reviewed Publications
Seismic Assessment and Retrofit of Pre-Northridge High Rise Steel Moment Resisting Frame Buildings with Bilinear Oil DampersBuildings. 2023-01-01. DOI : 10.3390/buildings13010139.
Experimental Investigation of the Inelastic Cyclic Behavior of Concrete-Filled Double-Skin Tubular Beam-Columns with Corrugated Inner Skins and Ultrahigh-Strength Corner TubesJournal Of Structural Engineering. 2022-12-01. DOI : 10.1061/(ASCE)ST.1943-541X.0003493.
Effect of thermomechanical treatment and microstructure on pseudo-elastic behavior of Fe-Mn-Si-Cr-Ni-(V, C) shape memory alloyMaterials Science And Engineering A-Structural Materials Properties Microstructure And Processing. 2022-10-10. DOI : 10.1016/j.msea.2022.143917.
Best-fit constraint equations for coupling mixed-dimension simulation models with wide flange cross sectionsFinite Elements In Analysis And Design. 2022-10-01. DOI : 10.1016/j.finel.2022.103782.
Seismic design and performance of steel concentrically braced frame buildings with dissipative floor connectorsEarthquake Engineering & Structural Dynamics. 2022-09-10. DOI : 10.1002/eqe.3733.
Proposed Backing Bar Detail in Welded Beam-to-Column Connections for Seismic ApplicationsJournal Of Structural Engineering. 2022-08-01. DOI : 10.1061/(ASCE)ST.1943-541X.0003374.
Closure to "Experimental Evaluation of Steel Columns under Seismic Hazard-Consistent Collapse Loading Protocols" by Yusuke Suzuki and Dimitrios G. LignosJournal Of Structural Engineering. 2022-07-01. DOI : 10.1061/(ASCE)ST.1943-541X.0003362.
Low-damage steel structures for enhanced life-cycle seismic performanceStahlbau. 2022-05-02. DOI : 10.1002/stab.202200023.
Seismic demands of steel moment resisting frames with inelastic beam-to-column web panel zonesEarthquake Engineering & Structural Dynamics. 2022-03-07. DOI : 10.1002/eqe.3629.
Development and Experimental Validation of Dissipative Embedded Column Base Connections for Enhanced Seismic Performance of Steel Moment-Resisting FramesJournal Of Structural Engineering. 2022-03-01. DOI : 10.1061/(ASCE)ST.1943-541X.0003259.
Proposed nonlinear macro-model for seismic risk assessment of composite-steel moment resisting framesEarthquake Engineering & Structural Dynamics. 2022-02-23. DOI : 10.1002/eqe.3610.
Finite element modeling and behavior of dissipative embedded column base connections under cyclic loadingJournal Of Constructional Steel Research. 2022-02-01. DOI : 10.1016/j.jcsr.2021.107063.
Seismic performance of steel columns interacting with embedded column bases while exhibiting inelastic deformationsEngineering Structures. 2022-01-15. DOI : 10.1016/j.engstruct.2021.113381.
Warping-Inclusive Kinematic Coupling in Mixed-Dimension Macro Models for Steel Wide Flange Beam ColumnsASCE Journal of Structural Engineering. 2022-01-01. DOI : 10.1061/(ASCE)ST.1943-541X.0003211.
Analytical Studies in Support of an Improved Approach to the Design of Acceleration-Sensitive Nonstructural Elements2022-12-05. Fifth International Workshop on the Seismic Performance of Non-Structural Elements (SPONSE), Stanford University, Stanford, CA, USA, December 5-7, 2022.
Experimental Study to Validate an Improved Approach to Design Acceleration-Sensitive Nonstructural Components2022-11-07. Fifth International Workshop on the Seismic Performance of Non-Structural Elements (SPONSE), Stanford University, Stanford, CA, USA, December 5-7, 2022.
Assessment of stiffener spacing design requirements for intermediate EBF links via nonlinear finite element analysis2022-10-20. Fifth National Conference on Earthquake Engineering, Athens, Greece, October 20-22, 2022.
Soil-Structure Interaction effects on the seismic behavior of steel moment resisting frames: Preliminary assessment2022-09-04. 3rd EUROPEAN CONFERENCE ON EARTHQUAKE ENGINEERING & SEISMOLOGY, BUCHAREST, ROMANIA, September 4-9, 2022.
Seismic stability of steel moment resisting frames with inelastic panel zones2022-06-27. 12th National Conference on Earthquake Engineering, Salt Lake City, Utah, June 27 - July 1 2022.
Full-scale testing of European steel beams with reduced beam section under reversed cyclic loading2022-05-25. The 10th International Conference on the BEHAVIOUR OF STEEL STRUCTURES IN SEISMIC AREAS, Timisoara, Romania, May 25-27, 2022.
Development of dissipative embedded columns base connections for mitigating column axial shortening2022-05-25. The 10th International Conference on the BEHAVIOUR OF STEEL STRUCTURES IN SEISMIC AREAS, Timisoara, Romania, May 25-27, 2022.
Experimental study of sliding friction damper with composite materials for earthquake resistant structuresEngineering Structures. 2021-12-01. DOI : 10.1016/j.engstruct.2021.113063.
Cyclic metal plasticity model parameters with limited information: a constrained optimization approachJournal of Engineering Mechanics. 2021-07-01. DOI : 10.1061/(ASCE)EM.1943-7889.0001922.
Fragility Assessment of Beam-Slab Connections for Informing Earthquake-Induced Repairs in Composite-Steel Moment Resisting FramesFrontiers in Built Environment. 2021-05-25. DOI : 10.3389/fbuil.2021.691553.
Experimental Evaluation of Steel Columns under Seismic Hazard-Consistent Collapse Loading ProtocolsJournal Of Structural Engineering. 2021-04-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002963.
Constitutive Modeling of Structural Steels: Nonlinear Isotropic/Kinematic Hardening Material Model and Its CalibrationJournal Of Structural Engineering. 2021-04-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002964.
Proposed Panel Zone Model for Seismic Design of Steel Moment-Resisting FramesJournal Of Structural Engineering. 2021-04-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002935.
Development of Inelastic Panel Zone DatabaseJournal Of Structural Engineering. 2021-04-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002957.
Rate-dependent model for simulating the hysteretic behavior of low-yield stress buckling-restrained braces under dynamic excitationsEngineering Structures. 2021-03-01. DOI : 10.1016/j.engstruct.2020.111659.
Closure to "Proposed Updates to the ASCE 41 Nonlinear Modeling Parameters for Wide-Flange Steel Columns in Support of Performance-Based Seismic Engineering" by Dimitrios G. Lignos, Alexander R. Hartloper, Ahmed Elkady, Gregory G. Deierlein, and Ronald HamburgerJournal Of Structural Engineering. 2021-02-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002896.
Seismic design of non-dissipative embedded column base connectionsJournal of Constructional Steel Research. 2021-02-01. DOI : 10.1016/j.jcsr.2020.106417.
Experimental behavior of iron-based shape memory alloys under cyclic loading historiesConstruction and Building Materials. 2021-01-01. DOI : 10.1016/j.conbuildmat.2020.121712.
Anchor-yield exposed column bases for minimizing residual deformations in seismic-resistant steel moment framesEarthquake Engineering & Structural Dynamics. 2021. DOI : 10.1002/eqe.3392.
Hysteretic Behaviour of Shear Stud Connectors in Composite Steel Moment‐Resisting Frames2021-09-01. EUROSTEEL 2021 Sheffield — Steel's coming home, Sheffield, England, September 1-3, 2021. p. 575-582. DOI : 10.1002/cepa.1333.
EaRL: An Open-Source Software for Earthquake Risk, Loss and Lifecycle Assessment2021-06-21. The 13th International Conference on Structural Safety and Reliability (ICOSSAR 2021), Shanghai, P.R. China, June 21-25, 2021.
EaRL—Software for Earthquake Risk, Loss and Lifecycle AnalysisSoftwareX. 2020-10-21. DOI : 10.1016/j.softx.2020.100607.
Hysteretic Behavior of Moment-Resisting Frames Considering Slab Restraint and Framing ActionJournal Of Structural Engineering. 2020-08-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002696.
Fiber-based hysteretic model for simulating strength and stiffness deterioration of steel hollow structural section columns under cyclic loadingEarthquake Engineering & Structural Dynamics. 2020-07-21. DOI : 10.1002/eqe.3324.
Consistency in Solving the Inverse Problem of the Voce-Chaboche Constitutive Model for Plastic StrainingASCE Journal of Engineering Mechanics. 2020-06-27. DOI : 10.1061/(ASCE)EM.1943-7889.0001839.
Proposed methodology for building-specific earthquake loss assessment including column residual axial shorteningEarthquake Engineering & Structural Dynamics (EESD). 2020-04-10. DOI : 10.1002/eqe.3242.
Simulating Cyclic Local Buckling–Induced Softening in Steel Beam-Columns Using a Nonlocal Material Model in Displacement-Based Fiber ElementsASCE Journal of Structural Engineering. 2020-03-29. DOI : 10.1061/(ASCE)ST.1943-541X.0002457.
Experimental Evaluation and Numerical Modeling of Wide-Flange Steel Columns Subjected to Constant and Variable Axial Load Coupled with Lateral Drift DemandsJournal Of Structural Engineering. 2020-03-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002499.
Development of collapse-consistent loading protocols for experimental testing of steel columnsEarthquake Engineering & Structural Dynamics (EESD). 2020-02-03. DOI : 10.1002/eqe.3225.
Steel column stability and implications in the seismic assessment of steel structures according to Eurocode 8 Part 3Stahlbau. 2020-01-08. DOI : 10.1002/stab.201900108.
Experimental Study of Sliding Friction Damper for High-Performance Steel Structures2020-09-13. 17WCEE 17th World Conference on Earthquake Engineering, Sendai, Japan, September 13-18, 2020 (original).
Collapse-Consistent Protocols for Experimental Testing of Steel Columns under Multi-axial Cyclic Loading2020-02-03. 8th International Conference on Advances in Experimental Structural Engineering, Christchurch, New Zealand, February 3-5, 2020.
Seismic Stability of Wide-Flange Steel Columns Interacting with Embedded Column Base ConnectionsJournal of Structural Engineering. 2019-12-01. DOI : 10.1061/(ASCE)ST.1943-541X.0002410.
Proposed Updates to the ASCE 41 Nonlinear Modeling Parameters for Wide-Flange Steel Columns in Support of Performance-Based Seismic EngineeringJournal of Structural Engineering. 2019-06-10. DOI : 10.1061/(ASCE)ST.1943-541X.0002353.
Composite steel beam database for seismic design and performance assessment of composite-steel moment-resisting frame systemsBulletin of Earthquake Engineering. 2019-06-01. DOI : 10.1007/s10518-019-00564-w.
Full-scale testing of stiffened extended shear tab connections under combined axial and shear forcesEngineering Structures. 2019-04-15. DOI : 10.1016/j.engstruct.2019.01.125.
Recommendations for Improved Welding Procedures for Thick Steel Plates Through Thermo-Mechanical AnalysisInternational Journal of Steel Structures. 2019-04-01. DOI : 10.1007/s13296-018-0110-2.
Experimental investigation of steel building gravity framing systems under strong earthquake shakingSoil Dynamics and Earthquake Engineering. 2019-01-01. DOI : 10.1016/j.soildyn.2018.10.017.
Concepts to minimize earthquake-induced column axial shortening in steel moment-resisting frames2019-11-09. 12th Pacific Structural Steel Conference, Tokyo, Japan, November 9-11, 2019.
An explicit model for exposed column base connections and its parameter sensitivity2019-11-09. 12th Pacific Structural Steel Conference, Tokyo, Japan, November 9-11, 2019.
Exposed Column Base Connections for Minimizing Earthquake-induced Residual Deformations in Steel Moment-Resisting Framess2019-09-09. SECED Earthquake Risk and Engineering Towards a Reslient World, Greenwich, London, September 9-11, 2019.
Behavior of iron-based Shape Memory Alloys under Cyclic Loading Histories2019-08-19. Fifth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Postdam, Germany, August 27-29, 2019.
A practical method for seismic retrofit of tall buildings with supplemental damping2019-06-17. 12th Canadian Conference on Earthquake Engineering (12CCEE), Quebec, Canada, June 17-20, 2019.
Sensitivity of Simulated Steel Column Instabilities to Plasticity Model Assumptions2019-06-17. 12th Canadian Conference on Earthquake Engineering (12CCEE), Quebec, Canada, June 17-20, 2019.
Capacity design principles for the ductile behaviour of conventional and high-performance steel structures under earthquake shakingSteelDoc 03/19: Construction parasismique en acier (tec 05:2019); Zürich: Centre suisse de la construction métallique (SZS), 2019.
A Nonlinear Isotropic/Kinematic Hardening Model for Materials with Discontinuous Yielding2019-10-03
Simulating Local Buckling-Induced Softening in Steel Members Using an Equivalent Nonlocal Material Model in Displacement-Based Fiber ElementsJournal of Structural Engineering. 2018-08-02. DOI : 10.1061/(ASCE)ST.1943-541X.0002189.
Adaptive numerical method algorithms for nonlinear viscous and bilinear oil damper models subjected to dynamic loadingSoil Dynamics and Earthquake Engineering. 2018-07-05. DOI : 10.1016/j.soildyn.2018.06.021.
Improved Seismic Design and Nonlinear Modeling Recommendations for Wide-Flange Steel ColumnsJournal of Structural Engineering. 2018-07-05. DOI : 10.1061/(ASCE)ST.1943-541X.0002166.
Behaviour of stiffened extended shear tab connections under gravity induced shear forceJournal of Constructional Steel Research. 2018-06-05. DOI : 10.1016/j.jcsr.2018.06.011.
Fragility Curves for Wide-Flange Steel Columns and Implications on Building-Specific Earthquake-Induced Loss AssessmentEarthquake Spectra. 2018-06-01. DOI : 10.1193/122017EQS260M.
Full-Scale Testing of Deep Wide-Flange Steel Columns under Multiaxis Cyclic Loading: Loading Sequence, Boundary Effects, and Lateral Stability Bracing Force DemandsJournal of Structural Engineering. 2018. DOI : 10.1061/(ASCE)ST.1943-541X.0001937.
Fatigue Strength Upgrading of Cover Plate Ends by Welded Extensions in Existing Steel Bridge GirdersJournal of Bridge Engineering. 2018. DOI : 10.1061/(ASCE)BE.1943-5592.0001228.
Nonmodel-based framework for rapid seismic risk and loss assessment of instrumented steel buildingsEngineering Structures. 2018. DOI : 10.1016/j.engstruct.2017.11.045.
Seismic Performance Characterization of Wood-Sheathed and Cold-Formed Steel Framed Floor and Roof Diaphragm StructuresJournal of Structural Engineering. 2018. DOI : 10.1061/(ASCE)ST.1943-541X.0001962.
Assessment of structural damage detection methods for steel structures using full-scale experimental data and nonlinear analysisBulletin of Earthquake Engineering. 2018. DOI : 10.1007/s10518-017-0288-2.
Fiber-based model for earthquake-induced collapse simulation of steel frame buildings2018-06-25. 11th U.S. National Conference on Earthquake Engineering, Los Angeles, California, USA, June 25-29, 2018.
Guidelines on nonlinear dynamic analysis for seismic design of steel moment frames2018-06-25. 11th U.S. National Conference on Earthquake Engineering (11NCEE), Los Angeles, California, USA, June 25-29, 2018.
Revised ASCE-41 modeling recommendations for moment-resisting frame systems2018-06-22. 11th U.S. National Conference on Earthquake Engineering (11NCEE), Los Angeles, California, USA, June 25-29, 2018.
Influence of embedded steel column base strength on earthquake-induced residual deformations2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.
EaRL: Toolbox for Earthquake Risk and Loss Assessment of Building Assets2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.
Improving the collapse risk of steel structures with high-performance steel2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.
Seismic retrofit of steel tall buildings with bilinear oil dampers2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.
Influence of non-structural components on the seismic response of cold-formed steel structures2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.
Composite beam effects and implications to seismic design provisions2018-06-22. 16th European Conference on Earthquake Engineering (16ECEE), Thessaloniki, Greece, June 18-21, 2018.
Effect of Column Base Flexibility on Earthquake-Induced Residual Deformations of Steel Columns2018-02-14. 9th International Conference on the Behaviour of Steel Structures in Seismic Areas (STESSA 2018), Christchurch, New Zealand, February 14-17, 2018. p. 149-156. DOI : 10.4028/www.scientific.net/KEM.763.149.
Earthquake-Induced Collapse Risk and Loss Assessment of Steel Concentrically Braced Frames2018-02-14. 8th International Conference of the Seismic Behaviour of Steel Structures in Seismic Areas, Christchurch, New Zealand, February 14-17, 2018.
Earthquake-Induced Collapse Risk and Loss Assessment of Steel Concentrically Braced Frames2018. 9th International Conference on the Behaviour of Steel Structures in Seismic Areas, Christchurch, New Zealand, February 14 - 17, 2018.
Steel Columns under Multi-Axis Seismic Loading: Experimental Findings and Design Recommendations2018. Behaviour of Steel Structures in Seismic Areas, Christchurch, New Zealand, February 14-17, 2018. p. 376-383. DOI : 10.4028/www.scientific.net/KEM.763.376.
Effect of Modeling Assumptions on the Earthquake-Induced Losses and Collapse Risk of Steel-Frame Buildings with Special Concentrically Braced FramesASCE Journal of Structural Engineering. 2017. DOI : 10.1061/(ASCE)ST.1943-541X.0001851.
A probabilistic approach for assessing discontinuities in structural steel components based on Charpy-V-notch testsEngineering Structures. 2017. DOI : 10.1016/j.engstruct.2017.05.016.
Earthquake-induced loss assessment of steel frame buildings with special moment frames designed in highly seismic regionsEarthquake Engineering & Structural Dynamics. 2017. DOI : 10.1002/eqe.2898.
Development of Bidirectional Cyclic Lateral Loading Protocols for Experimental Testing of Steel Wide-Flange Columns2017-08-11. 3rd Huixian International Forum on Earthquake Engineering for Young Researchers, University of Illinois, Urbana-Champaign, USA, August 11-12, 2017.
Lehrveranstaltungen in Baudynamik und Erdbebeningenieurwesen an der EPFL2017. D-A-CH Tagung: Erdbebeningenieurwesen und Baudynamik 2017, Weimar, Germany, September 21-22, 2017.
Experimental and Numerical Evaluation of Steel Columns for Performance-Based Seismic Assessment of Steel Moment Frames2017. PESDES 2017 International Workshop on Performance-Based Seismic Design of Structures, Tongji University, Shanghai, China, 13-15 October 2017.
Updates to the ASCE-41-13 Provisions for the Nonlinear Modeling of Steel Wide-Flange Columns for Performance-based Earthquake Engineering2017. Eurosteel, 2017, Copenhagen, Denmark, September 13-15, 2017.
Utilization of wavelet-based damage-sensitive features for structural damage assessment of steel braced frames2017. 4th Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Zurich, Switzerland, September 13-15, 2017.
Effect of Column Base Flexibility on the Hysteretic Response of Wide Flange Steel Columns2017. 3rd Huixian International Forum on Earthquake Engineering for Young Researchers, University of Illinois, Urbana-Champaign, United States, August, 11-12, 2017.
The seismic stability and ductility of steel columns interacting with concrete footings2017. 8th International Conference on Composite Construction in Steel and Concrete, Jackson Hole, Wyoming, USA, July 30 - August 2, 2017.
Proposed methodology for earthquake-induced loss assessment of instrumented steel frame buildings: building-specific and city-scale approaches2017. 6th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Rhodes Island, Greece, June 15-17, 2017.
Stability of extended beam-to-girder shear tab connections under gravity induced shear force2017. Annual Stability Conference Structural Stability Research Council, San Antonio, Texas, USA, March 22-24, 2017.
Stability Requirements of Deep Steel Wide-Flange Columns under Cyclic Loading2017. Annual Stability Conference Structural Stability Research Council, San Antonio, Texas, USA, March 22-24, 2017.
Collapse Behavior of Steel Columns as Part of Steel Frame Buildings: Experiments and Numerical Models2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.
Characterization of Cold-Formed Steel Framed/Wood Sheathed Floor and Roof Diaphragm Structures2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.
Full-Scale Cyclic Testing of Deep Slender Wide-Flange Steel Beam-Columns under Unidirectional and Bidirectional Lateral Drift Demands2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.
Assessment of the Probability of Collapse of Structures Under Earthquakes2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.
Approximate Method for Performance-Based Seismic Assessment of Steel Moment-Resisting Frames2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.
Seismic Performance of a Special Steel Moment-Resisting Frame Subassembly from the Onset of Damage through Collapse2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.
Residual stress measurements of European hot-rolled I-shaped steel profiles2017
Experimental and Numerical Evaluation of Steel Columns for Performance-Based Seismic Assessment of Steel Moment FramesInternational Workshop on Performance-Based Seismic Design of Structures , Resilience and Robustness, Shanghai, China, October 12-15 2017.
Steel Columns under Multi-Axis Cyclic Loading: Experiments, Models and Design Recommendations9th National Conference on Steel Structures, Larisa, Greece, October 5-7 2017.
Proposed modeling approach of welding procedures for heavy steel platesEngineering Structures. 2016. DOI : 10.1016/j.engstruct.2016.08.022.
Seismic performance of a steel moment frame subassembly tested from the onset of damage through collapseEarthquake Engineering & Structural Dynamics. 2016. DOI : 10.1002/eqe.2743.
Spectral shape metrics and structural collapse potentialEarthquake Engineering & Structural Dynamics. 2016. DOI : 10.1002/eqe.2739.
Assessment of Numerical and Experimental Errors in Hybrid Simulation of Framed Structural Systems through CollapseJournal of Earthquake Engineering. 2016. DOI : 10.1080/13632469.2015.1110066.
Evaluation of Simplified and State-of-the-Art Analysis Procedures for Steel Frame Buildings Equipped with Supplemental Damping Devices Based on E-Defense Full-Scale Shake Table TestsJournal of Structural Engineering. 2016. DOI : 10.1061/(ASCE)ST.1943-541X.0001474.
ATC-114 Next-Generation Hysteretic Relationships for Performance-based Modeling and Analysis2016. SEAOC Convention, Maui, Hawaii, USA, October 12-15, 2016.
Multi-Directional Structural Component Hybrid Testing System for the Assessment of the Seismic Response of Steel I-Shaped Columns2016. 11th Pacific Structural Steel Conference, Shanghai, China, October 26-28, 2016.
Comparison of Seismic Design Requirements for Steel Moment Resisting Frames with Emphasis on Stability of Columns in North America, New Zealand, and Europe2016. 11th Pacific Structural Steel Conference, Shanghai, China, October 26-28, 2016.
Experimental Investigation of the Hysteretic Behavior of Wide-Flange Steel Columns under High Axial Load and Lateral Drift Demands2016. 11th Pacific Structural Steel Conference, Shanghai, China, 29-31, 2016.
Guidelines on Nonlinear Dynamic Analysis for Performance-Based Seismic Design of Steel and Concrete Moment Frames2016. 2016 SEAOC Convention, Maui, Ka'anapali Beach, October 12-15, 2016.
Loading Histories for Cyclic Tests in Support of Collapse Assessment of Steel Columns2016. 2nd Huixian International Forum on Earthquake Engineering for Young Researchers, Beijing, China, August 19-21, 2016.
Dynamic Stability of Deep and Slender Wide-Flange Steel Columns – Full Scale Experiments2016. Annual Stability Conference, Structural Stability Research Council, Orlando, Florida, USA, April 12-15, 2016.
Finite element simulation of buckling of extended beam-to-girder shear tab connections under gravity induced shear force2016. Annual Stability Conference, Structural Stability Research Council, Orlando, Florida, USA, April 12-15, 2016.
Performance of Weld-Retrofit Beam-to-Column Shear Tab Connections2016. 8th International Workshop on Connections in Steel Structures, Boston, Massachusetts, USA, May 24-26, 2016.
Effect of composite beam action on the hysteretic behavior of fully-restrained beam-to-column connections under cyclic loading2016. 8th International Workshop on Connections in Steel Structures, Boston, Massachusetts, USA, May 24-26, 2016.
Analytical investigation of the cyclic behavior and plastic hinge formation in deep wide-flange steel beam-columnsBULLETIN OF EARTHQUAKE ENGINEERING. 2015. DOI : 10.1007/s10518-014-9640-y.
Effect of gravity framing on the overstrength and collapse capacity of steel frame buildings with perimeter special moment framesEARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS. 2015. DOI : 10.1002/eqe.2519.
Application of Simplified Analysis Procedures For Performance-Based Earthquake Evaluation of Steel Special Moment FramesEARTHQUAKE SPECTRA. 2015. DOI : 10.1193/081413EQS230M.
Average spectral acceleration as an intensity measure for collapse risk assessmentEarthquake Engineering & Structural Dynamics. 2015. DOI : 10.1002/eqe.2575.
FULL SCALE TESTING OF EXTENDED BEAM-TO-COLUMN AND BEAMTO- GIRDER SHEAR TAB CONNECTIONS SUBJECTED TO SHEAR2015. 8th International Conference on Behavior of Steel Structures in Seismic Areas, Shanghai, China, March 24-27, 2015.
Seismic Design Criteria for Steel Moment Resisting Frames for Collapse Risk Mitigation2015. 8th International Conference on Behavior of Steel Structures in Seismic Areas, Shanghai, China, July 1-3, 2015.
Flexural buckling of extended shear tab connections under gravity induced shear force2015. Annual Stability Conference Structural Stability Research Council, Nashville, Tennessee, USA, March 24-27, 2015.
Design Decision Support for Steel Frame Buildings through an Earthquake-Induced Loss Assessment2015. Improving the Seismic Performance of Existing Buildings and Other Structures, San Francisco, California, USA, December 10-12, 2015. p. 240-252. DOI : 10.1061/9780784479728.028.
Seismic Retrofit of Steel Moment-Resisting Frames with High-Performance Fiber-Reinforced Concrete Infill Panels: Large-Scale Hybrid Simulation ExperimentsJournal of Structural Engineering. 2014. DOI : 10.1061/(ASCE)ST.1943-541X.0000877.
Modeling of the composite action in fully restrained beam-to-column connections: implications in the seismic design and collapse capacity of steel special moment framesEarthquake Engineering & Structural Dynamics. 2014. DOI : 10.1002/eqe.2430.
Computational Approach for Collapse Assessment of Concentrically Braced Frames in Seismic RegionsJournal of Structural Engineering. 2014. DOI : 10.1061/(ASCE)ST.1943-541X.0001011.
Seismic performance of a steel moment-resisting frame subject to strength and ductility uncertaintyEngineering Structures. 2014. DOI : 10.1016/j.engstruct.2014.06.044.
Collapse Assessment of Steel Moment Frames Based on E-Defense Full-Scale Shake Table Collapse TestsJOURNAL OF STRUCTURAL ENGINEERING-ASCE. 2013. DOI : 10.1061/(ASCE)ST.1943-541X.0000608.
Dynamic Response of a Chevron Concentrically Braced FrameJOURNAL OF STRUCTURAL ENGINEERING. 2013. DOI : 10.1061/(ASCE)ST.1943-541X.0000679.
Development and Utilization of Structural Component Databases for Performance-Based Earthquake EngineeringJournal of Structural Engineering. 2013. DOI : 10.1061/(ASCE)ST.1943-541X.0000646.
Damage to Steel Buildings Observed after the 2011 Tohoku-Oki EarthquakeEARTHQUAKE SPECTRA. 2013. DOI : 10.1193/1.4000124.
Drift-based and dual-parameter fragility curves for concentrically braced frames in seismic regionsJOURNAL OF CONSTRUCTIONAL STEEL RESEARCH. 2013. DOI : 10.1016/j.jcsr.2013.07.034.
Estimation of base motion in instrumented steel buildings using output-only system identificationEarthquake Engineering & Structural Dynamics. 2013. DOI : 10.1002/eqe.2359.
Development of fragility functions as a damage classification/prediction method for steel moment-resisting frames using a wavelet-based damage sensitive featureEARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS. 2012. DOI : 10.1002/eqe.1151.
Fragility functions for pre-Northridge welded steel moment-resisting beam-to-column connectionsEngineering Structures. 2012. DOI : 10.1016/j.engstruct.2012.07.007.
An efficient method for estimating the collapse risk of structures in seismic regionsEarthquake Engineering & Structural Dynamics. 2012. DOI : 10.1002/eqe.2191.
Prediction and validation of sidesway collapse of two scale models of a 4-story steel moment frameEARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS. 2011. DOI : 10.1002/eqe.1061.
Use of Wavelet-Based Damage-Sensitive Features for Structural Damage Diagnosis Using Strong Motion DataJournal of Structural Engineering. 2011. DOI : 10.1061/(ASCE)ST.1943-541X.0000385.
A simplified method for collapse capacity assessment of moment-resisting frame and shear wall structural systemsENGINEERING STRUCTURES. 2011. DOI : 10.1016/j.engstruct.2010.12.028.
Deterioration Modeling of Steel Components in Support of Collapse Prediction of Steel Moment Frames under Earthquake LoadingJOURNAL OF STRUCTURAL ENGINEERING-ASCE. 2011. DOI : 10.1061/(ASCE)ST.1943-541X.0000376.
Numerical and experimental evaluation of seismic capacity of high-rise steel buildings subjected to long duration earthquakesCOMPUTERS & STRUCTURES. 2011. DOI : 10.1016/j.compstruc.2011.01.017.
BASIC CONCEPTS AND PERFORMANCE MEASURES IN PREDICTION OF COLLAPSE OF BUILDINGS UNDER EARTHQUAKE GROUND MOTIONSSTRUCTURAL DESIGN OF TALL AND SPECIAL BUILDINGS. 2010. DOI : 10.1002/tal.546.
Fragility Assessment of Reduced Beam Section Moment ConnectionsJOURNAL OF STRUCTURAL ENGINEERING-ASCE. 2010. DOI : 10.1061/(ASCE)ST.1943-541X.0000214.
ResearchMy work integrates simulation-based engineering science and the use of experimental methods for the risk and life-cycle cost quantification of steel and composite-steel concrete structures under multi-hazards. Recent work focuses on the utilisation of innovative materials and protective systems for multi-hazard risk mitigation, and the development of multi-scale model techniques along with open access tools for elucidating the influence of deteriorating mechanisms on the structural performance of structures with emphasis on seismic loading. Check periodically our resslabtools.epfl.ch website for recent developments on database and integrated numerical models.
Teaching & PhD