Dimitrios Lignos

EPFL ENAC IIC RESSLAB
GC B3 485 (Bâtiment GC)
Station 18
1015 Lausanne

EPFL ENAC IIC RESSLAB
GC B3 485 (Bâtiment GC)
Station 18
1015 Lausanne

EPFL ENAC IIC-GE
GC B3 484 (Bâtiment GC)
Station 18
1015 Lausanne

EPFL ENAC IIC RESSLAB
GC B3 485 (Bâtiment GC)
Station 18
1015 Lausanne

EPFL ENAC IIC RESSLAB
GC B3 485 (Bâtiment GC)
Station 18
1015 Lausanne

Formation

|

2009 – 2010 Kyoto University
Dirigée par Professor Masayoshi Nakashima

|

2008 – 2009 Stanford University
Dirigée par Professor Sarah Billington

|

2004 – 2008 Stanford University
Dirigée par Professor Helmut Krawinkler

|

2003 – 2004 Stanford University
Dirigée par Professor Helmut Krawinkler

|

1998 – 2003 National Technical University of Athens (NTUA)
Dirigée par Professor Charis J. Gantes

Prix et distinctions

American Institute of Steel Construction (AISC)

2025

American Society of Civil Engineers (ASCE)

2022

Ecole Polytechnique Fédérale de Lausanne (EPFL)

2021

American Society of Civil Engineers (ASCE)

2019

McGill University, Montreal, CanadaThe Christophe Pierre Award for Research Excellence recognizes excellence in research by academic staff in the Faculty of Engineering.

2014

ASCE

2013

McGill University, Faculty of Engineering

2011

2025

Journal Articles

Quantifying the reserve capacity of deformed steel members: predictions from deep learning models utilizing point clouds

I. KatirciogluT. GuG. ObozinskiN. BijelićD. G. Lignos

Computers and Structures. 2025. DOI : 10.1016/j.compstruc.2025.108010.

A torsional fiber element and a multiaxial softening model to simulate cyclic interactive buckling in wide-flanged steel members

A. MaityA. KanvindeD. I. Heredia RosaA. de Castro e SousaD. G. Lignos

Computers and Structures. 2025. DOI : 10.1016/j.compstruc.2025.107970.

A Force‐Based Beam‐Column Element With Selective Gradient‐Inelasticity for Softening Materials in 3‐Dimensional Nonlinear Analysis

D. I. H. RosaA. d. C. e. SousaD. G. LignosA. MaityA. Kanvinde

Earthquake Engineering & Structural Dynamics. 2025. DOI : 10.1002/eqe.70065.

Hysteretic Behavior of Circular Hollow Section Panel Zones in Beam-to-Column Subassemblies with Large Panel Aspect Ratio

Y. AshidaY. KoetakaT. NAKANOI. ChanD. G. Lignos

Journal of Structural Engineering. 2025. DOI : 10.1061/jsendh.steng-14538.

Simulating Interactive Buckling in Steel Members Using a Torsional Fiber Element Integrated with a Multiaxial Local Buckling Constitutive Model

A. MaityA. KanvindeD. I. H. RosaA. de Castro e SousaD. G. Lignos

Journal of Structural Engineering. 2025. DOI : 10.1061/jsendh.steng-14023.

Special Issue: Large‐Scale Testing of Earthquake‐Resistant Structures: Accomplishments and Future Challenges

D. G. LignosL. A. Fahnestock

Earthquake Engineering & Structural Dynamics. 2025. DOI : 10.1002/eqe.70043.

Proposed Stiffener Spacing Requirements for Intermediate Length Links in Eccentrically Braced Frames

N. G. SkretasT. L. KaravasilisD. G. Lignos

Journal of Structural Engineering. 2025. DOI : 10.1061/jsendh.steng-14041.

STEEL-3dPointClouds: dataset supporting quantification of residual life and reusability of steel beam-columns

T. GuN. BijelićI. KatirciogluG. ObozinskiD. G. Lignos

Scientific Data. 2025. DOI : 10.1038/s41597-025-05408-8.

A Multiaxial Plasticity Model with Softening for Simulating Inelastic Cyclic Local Buckling in Steel Beam Columns Using Fiber Elements

D. I. Heredia RosaA. De Castro e SousaD. G. LignosA. MaityA. Kanvinde

Journal of Structural Engineering. 2025. DOI : 10.1061/jsendh.steng-14262.

Shake table tests on nonlinear steel fuses for the acceleration-control of nonstructural components

A. ElkadyA. K. KazantziM. DietzL. DihoruR. De Risi  et al.

Earthquake Spectra. 2025. DOI : 10.1177/87552930251348159.

Evaluation of overstrength-based interaction checks for columns in steel moment frames

T. FalborskiG. MurtasA. ElkadyD. LignosA. Kanvinde

Journal of Constructional Steel Research. 2025. DOI : 10.1016/j.jcsr.2024.109123.

A Multiaxial Plasticity Model with Softening for Simulating Inelastic Local Buckling in Steel Beam Columns under Monotonic Loading through Fiber Elements

D. I. Heredia RosaA. De Castro E SousaD. G. LignosA. MaityA. Kanvinde

Journal of Structural Engineering. 2025. DOI : 10.1061/JSENDH.STENG-13136.

2024

Journal Articles

Full-Scale Tests to Characterize the Effect of Framing Action and Slab Continuity on the Collapse Capacity of Composite Frames Under Cyclic Loading

H. El JisrD. G. Lignos

Earthquake Engineering and Structural Dynamics. 2024. DOI : 10.1002/eqe.4296.

Uniaxial material model with softening for simulating the cyclic behavior of steel tubes in concrete-filled steel tube beam-columns

S. WangW. WangD. G. Lignos

Earthquake Engineering and Structural Dynamics. 2024. DOI : 10.1002/eqe.4204.

Cyclic pushover analysis for seismic response evaluation of a full-scale 10-story steel building tested on the E-Defense shake-table

J. JinT. NagaeT. AsaiT. OkazakiJ. Li  et al.

Journal of Building Engineering. 2024. DOI : 10.1016/j.jobe.2024.110552.

Sharing data and code facilitates reproducible and impactful research

J. W. BakerH. CrowleyD. WaldE. RathjeS. K. Au  et al.

Earthquake Spectra. 2024. DOI : 10.1177/87552930241259397.

Conference Papers

Modelling and Experimental Investigation of Ductile Crack Initiation in Welded Connections with Bevelled Backing Bars and Inelastic Panel Zones

A. SkiadopoulosD. G. Lignos

2024. 11th International Conference on the Behaviour of Steel Structures in Seismic Areas, Salerno, Italy, 2024-07-08 - 2024-07-10. p. 687 - 698. DOI : 10.1007/978-3-031-62884-9_60.

A Novel Fiber Element to Simulate Interactive Local and Lateral Torsional Buckling in Steel Moment Frames

A. MaityA. KanvindeD. I. Heredia RosaA. de Castro e SousaD. G. Lignos

2024. Stability Conference Structural Stability Research Council, San Antonio, United States, 2024-03-19 - 2024-03-22.

Proposed Limits of Stiffener Spacing Requirements for Short and Intermediate Length EBF Steel Links

N. G. SkretasT. L. KaravasilisD. G. Lignos

2024. 11th International Conference on the Behaviour of Steel Structures in Seismic Areas, Salerno, Italy, 2024-07-08 - 2024-07-10. p. 745 - 755. DOI : 10.1007/978-3-031-62884-9_65.

Seismic Performance of Steel Moment-Resisting Frames Utilizing Dissipative Embedded Column Base Connections

H. InamasuN. BijelicD. G. Lignos

2024. 11th International Conference on the Behaviour of Steel Structures in Seismic Areas, Salerno, Italy, 2024-07-08 - 2024-07-10. p. 926 - 936. DOI : 10.1007/978-3-031-62884-9_81.

Theses

A Softening Constitutive Law and Gradient-Inelastic Fiber-Based Element for 3-Dimensional Frame Simulations Under Seismic Excitations

D. I. Heredia Rosa / D. LignosA. A. De Abreu E Presa De Castro E Sousa (Dir.)

Lausanne, EPFL, 2024. DOI : 10.5075/epfl-thesis-10495.

Patents

Beam-column joint structure

S. HiroshimaM. AritaY. SuzukiS. KitaokaA. Skiadopoulos  et al.

EP4481142 . 2024.

Student Projects

Comparative Design of Two-Storey Buildings Using the New Eurocode 8

A. Atienza

2024

Development of models for assessing corroded steel girder web panels in bridges

J. H. Klok

2024

Assessment of existing steel structures

M. Pellini

2024

Assessment of resistance models according to SIA 263 and the new Eurocode 3 for lateral torsional buckling of I-shaped bridge girders

G. Najid

2024

Experimental validation, numerical modelling and design comparison for steel beams against lateral torsional buckling

L. Kozel

2024

2023

Journal Articles

Backbone curve variations on steel building seismic response

B. MaisonM. S. SpeicherD. Lignos

Earthquake Spectra. 2023. DOI : 10.1177/87552930231172529.

Experiments and proposed model for residual stresses in hot-rolled wide flange shapes

A. SkiadopoulosA. d. C. SousaD. G. Lignos

Journal Of Constructional Steel Research. 2023. DOI : 10.1016/j.jcsr.2023.108069.

Proposed Stiffener Spacing Requirements for the Seismic Design of Short Links in Eccentrically Braced Steel Frames

N. G. SkretasT. L. KaravasilisD. G. Lignos

Journal Of Structural Engineering. 2023. DOI : 10.1061/JSENDH.STENG-11756.

A Displacement-Based Fiber Element to Simulate Interactive Lateral Torsional and Local Buckling in Steel Members

A. MaityA. KanvindeD. I. I. Heredia RosaA. d. C. E. SousaD. G. Lignos

Journal Of Structural Engineering. 2023. DOI : 10.1061/JSENDH.STENG-11889.

Uniaxial Cyclic and Tensile Tests on Structural Metallic Materials

A. R. HartloperS. OzdenA. d. C. e. SousaD. G. Lignos

Journal Of Structural Engineering. 2023. DOI : 10.1061/JSENDH.STENG-12037.

Influence of gravity connections and damper activation forces on the seismic behavior of steel CBF buildings with dissipative floor connectors

M. ParonessoD. G. Lignos

Earthquake Engineering & Structural Dynamics. 2023. DOI : 10.1002/eqe.3874.

The automated collapse data constructor technique and the data-driven methodology for seismic collapse risk assessment

N. BijelicD. G. LignosA. Alahi

Earthquake Engineering & Structural Dynamics. 2023. DOI : 10.1002/eqe.3865.

Seismic Assessment and Retrofit of Pre-Northridge High Rise Steel Moment Resisting Frame Buildings with Bilinear Oil Dampers

S. AkcelyanD. G. Lignos

Buildings. 2023. DOI : 10.3390/buildings13010139.

Full-Scale Experiments of Cyclically Loaded Welded Moment Connections with Highly Dissipative Panel Zones and Simplified Weld Details

A. SkiadopoulosD. G. LignosM. AritaS. Hiroshima

Journal of Structural Engineering. 2023. DOI : 10.1061/JSENDH.STENG-12128.

Conference Papers

The use of ductile steel fuses for the seismic protection of acceleration sensitive non- structural components: Numerical and Experimental verification

A. KazantziA. M. A. ElkadyD. VamvatsikosD. LignosE. Miranda

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

Full Scale Experiments of a Composite Steel Moment Resisting Frame: Behavioral Insights and Implications on Seismic Design

H. El JisrD. Lignos

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

Experimental Evaluation and Modeling of Residual Stress Distributions for Hot-Rolled Wide Flange Steel Members

A. SkiadopoulosA. A. SousaD. Lignos

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

Proposed Panel Zone Model for Beam-To-Column Joints in Steel Moment Resisting Frames

A. SkiadopoulosA. M. A. ElkadyD. Lignos

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

The new Chapter 9 of Eurocode 8 Part 3 for Seismic Assessment of Existing Steel Structures

D. Lignos

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

Proposed Limits of Stiffener Spacing Requirements for EBF Links Within the Framework of Eurocode 8

N. SkretasT. KaravasilisD. Lignos

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

Experimental Investigation of Instability-Free Welded Moment Connections With Simplified Weld Details

A. SkiadopoulosD. LignosM. AritaS. Hiroshima

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

Dissipative Embedded Column Bases for Enhanced Seismic Performance of Steel Moment Resisting Frames

H. InamasuA. A. SousaD. Lignos

2023. 10th National Conference of Steel Structures, Athens, Greece, October 19-21, 2023.

Digital-Image-Correlation for Simulating Cyclic Local Buckling in Steel Beams

S. OzdenA. A. SousaD. Lignos

2023. Eurosteel, Amsterdam, Holland, September 12-14, 2023. p. 1717 - 1722. DOI : 10.1002/cepa.2671.

Towards instability-free welded moment connections

A. SkiadopoulosD. Lignos

2023. 13th International Congress on Mechanics, Patras, Greece, August 24-27, 2022. p. 521 - 530.

Surrogate modelling for seismic collapse risk assessment of steel moment resisting frames

N. BijelicA. SkiadopoulosD. Lignos

2023. Canadian Conferennce - Pacific Conference on Earthquake Engineering 2023, Vancouver, British Columbia, Canada, June 25th - June 30th 2023.

Hysteretic behaviour of welded connections with highly inelastic panel zones

A. SkiadopoulosD. G. LignosM. AritaS. Hiroshima

2023. EUROSTEEL 2023, Setember 12-14, 2023, Amsterdam, The Neatherlands. p. 1556 - 1561. DOI : 10.1002/cepa.2676.

Geometric tolerances of welded connections with inelastic panel zones

C. WenA. SkiadopoulosD. G. Lignos

2023. EUROSTEEL 2023, Amsterdam, The Neatherlands, Setember 12-14, 2023. p. 1550 - 1555. DOI : 10.1002/cepa.2272.

Proposed residual stress model for hot‐rolled wide flange steel cross sections

A. SkiadopoulosA. de Castro e SousaD. G. Lignos

2023. EUROSTEEL 2023, Setember 12-14, 2023, Amsterdam, The Neatherlands. p. 1711 - 1716. DOI : 10.1002/cepa.2736.

Student Projects

Finite element investigation of the Slotted-Hidden-Gap (SHG) connection for square HSS bracing members under cyclic loading

J. Luu

2023

Response history analysis of steel buildings with highly inelastic panel zones

D. Balmer

2023

Use of Iron-Based Shape Memory Alloys for Anchor Yield Column Base Connections

R. Guby

2023

Datasets

Database of Residual Stress Measurements on Hot-rolled Wide Flange Steel Cross Sections

A. SkiadopoulosA. de Castro e SousaD. Lignos

2023.

2022

Journal Articles

Experimental Investigation of the Inelastic Cyclic Behavior of Concrete-Filled Double-Skin Tubular Beam-Columns with Corrugated Inner Skins and Ultrahigh-Strength Corner Tubes

M. FarahiA. HeidarpourD. G. LignosX.-L. ZhaoR. S. Al-Mahaidi

Journal Of Structural Engineering. 2022. 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 alloy

M. MohriI. FerrettoC. LeinenbachD. KimD. G. Lignos  et al.

Materials Science And Engineering A-Structural Materials Properties Microstructure And Processing. 2022. DOI : 10.1016/j.msea.2022.143917.

Best-fit constraint equations for coupling mixed-dimension simulation models with wide flange cross sections

A. R. HartloperA. d. C. e. SousaD. G. Lignos

Finite Elements In Analysis And Design. 2022. DOI : 10.1016/j.finel.2022.103782.

Seismic design and performance of steel concentrically braced frame buildings with dissipative floor connectors

M. ParonessoD. G. Lignos

Earthquake Engineering & Structural Dynamics. 2022. DOI : 10.1002/eqe.3733.

Proposed Backing Bar Detail in Welded Beam-to-Column Connections for Seismic Applications

A. SkiadopoulosD. G. Lignos

Journal Of Structural Engineering. 2022. 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. Lignos

Y. SuzukiD. G. Lignos

Journal Of Structural Engineering. 2022. DOI : 10.1061/(ASCE)ST.1943-541X.0003362.

Low-damage steel structures for enhanced life-cycle seismic performance

D. G. LignosM. Paronesso

Stahlbau. 2022. DOI : 10.1002/stab.202200023.

Seismic demands of steel moment resisting frames with inelastic beam-to-column web panel zones

A. SkiadopoulosD. G. Lignos

Earthquake Engineering & Structural Dynamics. 2022. DOI : 10.1002/eqe.3629.

Development and Experimental Validation of Dissipative Embedded Column Base Connections for Enhanced Seismic Performance of Steel Moment-Resisting Frames

H. InamasuA. d. C. e. SousaD. G. Lignos

Journal Of Structural Engineering. 2022. DOI : 10.1061/(ASCE)ST.1943-541X.0003259.

Proposed nonlinear macro-model for seismic risk assessment of composite-steel moment resisting frames

H. El JisrM. KohrangiD. G. Lignos

Earthquake Engineering & Structural Dynamics. 2022. DOI : 10.1002/eqe.3610.

Finite element modeling and behavior of dissipative embedded column base connections under cyclic loading

H. InamasuD. G. Lignos

Journal Of Constructional Steel Research. 2022. DOI : 10.1016/j.jcsr.2021.107063.

Seismic performance of steel columns interacting with embedded column bases while exhibiting inelastic deformations

H. InamasuD. G. Lignos

Engineering Structures. 2022. DOI : 10.1016/j.engstruct.2021.113381.

Warping-Inclusive Kinematic Coupling in Mixed-Dimension Macro Models for Steel Wide Flange Beam Columns

A. R. HartloperA. A. SousaD. Lignos

ASCE Journal of Structural Engineering. 2022. DOI : 10.1061/(ASCE)ST.1943-541X.0003211.

Conference Papers

Analytical Studies in Support of an Improved Approach to the Design of Acceleration-Sensitive Nonstructural Elements

A. KazantziE. MirandaD. VamvatsikosA. M. A. ElkadyD. Lignos

2022. 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 Components

A. M. A. ElkadyD. VamvatsikosD. LignosA. KazantziE. Miranda

2022. 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 analysis

N. SkretasT. KaravasilisD. Lignos

2022. 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 assessment

C. PetridisD. LignosD. Pitilakis

2022. 3rd EUROPEAN CONFERENCE ON EARTHQUAKE ENGINEERING & SEISMOLOGY, BUCHAREST, ROMANIA, September 4-9, 2022.

Seismic stability of steel moment resisting frames with inelastic panel zones

A. SkiadopoulosD. Lignos

2022. 12th National Conference on Earthquake Engineering, Salt Lake City, Utah, June 27 - July 1 2022.

Development of dissipative embedded columns base connections for mitigating column axial shortening

H. InamasuA. A. SousaD. Lignos

2022. The 10th International Conference on the BEHAVIOUR OF STEEL STRUCTURES IN SEISMIC AREAS, Timisoara, Romania, May 25-27, 2022. p. 269 - 275. DOI : 10.1007/978-3-031-03811-2_25.

Full-scale testing of European steel beams with reduced beam section under reversed cyclic loading

H. InamasuD. Lignos

2022. The 10th International Conference on the BEHAVIOUR OF STEEL STRUCTURES IN SEISMIC AREAS, Timisoara, Romania, May 25-27, 2022. p. 166 - 172. DOI : 10.1007/978-3-031-03811-2_13.

Theses

Seismic Design and Behavior of Steel Braced Frame Buildings with Friction Dampers as Dissipative Floor Connectors

M. Paronesso / D. Lignos (Dir.)

Lausanne, EPFL, 2022. DOI : 10.5075/epfl-thesis-9708.

Welded moment connections with highly dissipative panel zones for enhanced seismic performance of steel moment frames

A. Skiadopoulos / D. Lignos (Dir.)

Lausanne, EPFL, 2022. DOI : 10.5075/epfl-thesis-9513.

The Role of the Composite Floor System and Framing Action in the Seismic Performance of Composite Steel Moment-Resisting Frames

H. El Jisr / D. Lignos (Dir.)

Lausanne, EPFL, 2022. DOI : 10.5075/epfl-thesis-8700.

Student Projects

Assessment of resistance models according to SIA 263 and the new Eurocode 3 for lateral torsional buckling of I-shaped bridge girders

F. Mosca

2022

Seismic performance of structures incorporating seismic isolation with lead-rubber bearings

E. Merhi

2022

Development of a Python-Based Simulation Tools Library for Composite Steel Concrete Structures

C. Schipani

2022

Assessment of Resistance Models According to SIA 263 & Eurocode 3 Provisions for Lateral Torsional Buckling of I-Shaped Hot-Rolled Members

N. Gros

2022

Non-linear modeling and seismic risk assessment of composite steel moment resisting frames

N. Kempter

2022

2021

Journal Articles

Experimental study of sliding friction damper with composite materials for earthquake resistant structures

M. ParonessoD. G. Lignos

Engineering Structures. 2021. DOI : 10.1016/j.engstruct.2021.113063.

Cyclic metal plasticity model parameters with limited information: a constrained optimization approach

A. A. SousaA. R. HartloperD. Lignos

Journal of Engineering Mechanics. 2021. DOI : 10.1061/(ASCE)EM.1943-7889.0001922.

Fragility Assessment of Beam-Slab Connections for Informing Earthquake-Induced Repairs in Composite-Steel Moment Resisting Frames

H. El JisrD. Lignos

Frontiers in Built Environment. 2021. DOI : 10.3389/fbuil.2021.691553.

Constitutive Modeling of Structural Steels: Nonlinear Isotropic/Kinematic Hardening Material Model and Its Calibration

A. R. HartloperA. de Castro e SousaD. G. Lignos

Journal Of Structural Engineering. 2021. DOI : 10.1061/(ASCE)ST.1943-541X.0002964.

Development of Inelastic Panel Zone Database

A. SkiadopoulosD. G. Lignos

Journal Of Structural Engineering. 2021. DOI : 10.1061/(ASCE)ST.1943-541X.0002957.

Proposed Panel Zone Model for Seismic Design of Steel Moment-Resisting Frames

A. SkiadopoulosA. ElkadyD. G. Lignos

Journal Of Structural Engineering. 2021. DOI : 10.1061/(ASCE)ST.1943-541X.0002935.

Experimental Evaluation of Steel Columns under Seismic Hazard-Consistent Collapse Loading Protocols

Y. SuzukiD. G. Lignos

Journal Of Structural Engineering. 2021. DOI : 10.1061/(ASCE)ST.1943-541X.0002963.

Rate-dependent model for simulating the hysteretic behavior of low-yield stress buckling-restrained braces under dynamic excitations

S. AkcelyanD. G. Lignos

Engineering Structures. 2021. DOI : 10.1016/j.engstruct.2020.111659.

Seismic design of non-dissipative embedded column base connections

H. InamasuA. KanvindeD. Lignos

Journal of Constructional Steel Research. 2021. DOI : 10.1016/j.jcsr.2020.106417.

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 Hamburger

D. G. LignosA. R. HartloperA. ElkadyG. G. DeierleinR. Hamburger

Journal Of Structural Engineering. 2021. DOI : 10.1061/(ASCE)ST.1943-541X.0002896.

Experimental behavior of iron-based shape memory alloys under cyclic loading histories

D. I. H. RosaA. HartloperA. de Castro e SousaD. G. LignosM. Motavalli  et al.

Construction and Building Materials. 2021. DOI : 10.1016/j.conbuildmat.2020.121712.

Anchor-yield exposed column bases for minimizing residual deformations in seismic-resistant steel moment frames

H. InamasuA. d. C. e. SousaG. GueellD. G. Lignos

Earthquake Engineering & Structural Dynamics. 2021. DOI : 10.1002/eqe.3392.

Conference Papers

Hysteretic Behaviour of Shear Stud Connectors in Composite Steel Moment‐Resisting Frames

H. El JisrD. Lignos

2021. 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 Assessment

A. M. A. ElkadyD. Lignos

2021. The 13th International Conference on Structural Safety and Reliability (ICOSSAR 2021), Shanghai, P.R. China, June 21-25, 2021.

Theses

Development of Dissipative Steel Column-Base Connections for Steel Moment-Resisting Frames under Seismic Loading

H. Inamasu / D. Lignos (Dir.)

Lausanne, EPFL, 2021. DOI : 10.5075/epfl-thesis-8337.

Reduced-order Models for Simulating Coupled Geometric Instabilities in Steel Beam-columns Under Inelastic Cyclic Straining

A. R. Hartloper / D. LignosA. A. De Abreu E Presa De Castro E Sousa (Dir.)

Lausanne, EPFL, 2021. DOI : 10.5075/epfl-thesis-8504.

Student Projects

Intelligent Management of Underground Infrastructure

M. Esmaeelzadeh

2021

Seismic Retrofitting of Existing Steel Structures With Buckling Restrained Bracings

A. Forni

2021

Finite element investigation of stability bracing force demands of steel moment resisting frame columns under cyclic loading

M. Beqiraj

2021

Influence of residual stresses on the buckling capacity of axially loaded steel columns

G. Falconi

2021

Experimental investigation of the cyclic properties of welds in mild structural steels

S. Ozden

2021

2020

Journal Articles

EaRL—Software for Earthquake Risk, Loss and Lifecycle Analysis

A. M. A. ElkadyD. Lignos

SoftwareX. 2020. DOI : 10.1016/j.softx.2020.100607.

Hysteretic Behavior of Moment-Resisting Frames Considering Slab Restraint and Framing Action

H. El JisrA. ElkadyD. G. Lignos

Journal Of Structural Engineering. 2020. 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 loading

Y. SuzukiD. G. Lignos

Earthquake Engineering & Structural Dynamics. 2020. DOI : 10.1002/eqe.3324.

Consistency in Solving the Inverse Problem of the Voce-Chaboche Constitutive Model for Plastic Straining

A. A. SousaY. SuzukiD. Lignos

ASCE Journal of Engineering Mechanics. 2020. DOI : 10.1061/(ASCE)EM.1943-7889.0001839.

Proposed methodology for building-specific earthquake loss assessment including column residual axial shortening

A. ElkadyG. GuellD. G. Lignos

Earthquake Engineering & Structural Dynamics (EESD). 2020. DOI : 10.1002/eqe.3242.

Simulating Cyclic Local Buckling–Induced Softening in Steel Beam-Columns Using a Nonlocal Material Model in Displacement-Based Fiber Elements

S. KolwankarA. KanvindeM. KenawyD. LignosS. Kunnath

ASCE Journal of Structural Engineering. 2020. 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 Demands

J. CraveroA. ElkadyD. G. Lignos

Journal Of Structural Engineering. 2020. DOI : 10.1061/(ASCE)ST.1943-541X.0002499.

Development of collapse-consistent loading protocols for experimental testing of steel columns

Y. SuzukiD. G. Lignos

Earthquake Engineering & Structural Dynamics (EESD). 2020. DOI : 10.1002/eqe.3225.

Steel column stability and implications in the seismic assessment of steel structures according to Eurocode 8 Part 3

D. G. LignosA. R. Hartloper

Stahlbau. 2020. DOI : 10.1002/stab.201900108.

Conference Papers

Experimental Study of Sliding Friction Damper for High-Performance Steel Structures

M. ParonessoD. Lignos

2020. 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 Loading

D. LignosY. Suzuki

2020. 8th International Conference on Advances in Experimental Structural Engineering, Christchurch, New Zealand, February 3-5, 2020.

Student Projects

Seismic Retrofit of Existing Steel Concentrically Braced Frames with Intentional Eccentricity Braces

P. Ferrari

2020

Seismic retrofit of existing steel concentrically braced frame with friction dampers

L. Favre

2020

Experimental Behavior and Nonlinear Modeling of iron-based Shape Memory Alloys (SMAs) under Inelastic Cyclic Straining

D. I. Heredia Rosa

2020

Seismic Rehabilitation of Deficient Steel Braced Frames with Conventional and Innovative Retrofit Techniques

V. Matthey

2020

2019

Journal Articles

Seismic Stability of Wide-Flange Steel Columns Interacting with Embedded Column Base Connections

H. InamasuA. M. KanvindeD. G. Lignos

Journal of Structural Engineering. 2019. 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 Engineering

D. LignosA. R. HartloperA. M. A. ElkadyG. G. DeierleinR. Hamburger

Journal of Structural Engineering. 2019. DOI : 10.1061/(ASCE)ST.1943-541X.0002353.

Composite steel beam database for seismic design and performance assessment of composite-steel moment-resisting frame systems

H. El JisrA. M. A. ElkadyD. Lignos

Bulletin of Earthquake Engineering. 2019. DOI : 10.1007/s10518-019-00564-w.

Full-scale testing of stiffened extended shear tab connections under combined axial and shear forces

M. MotallebiD. LignosC. Rogers

Engineering Structures. 2019. DOI : 10.1016/j.engstruct.2019.01.125.

Recommendations for Improved Welding Procedures for Thick Steel Plates Through Thermo-Mechanical Analysis

O. IbrahimD. LignosC. Rogers

International Journal of Steel Structures. 2019. DOI : 10.1007/s13296-018-0110-2.

Experimental investigation of steel building gravity framing systems under strong earthquake shaking

M. Del Carpio R.G. MosquedaD. G. Lignos

Soil Dynamics and Earthquake Engineering. 2019. DOI : 10.1016/j.soildyn.2018.10.017.

Conference Papers

Concepts to minimize earthquake-induced column axial shortening in steel moment-resisting frames

H. InamasuD. Lignos

2019. 12th Pacific Structural Steel Conference, Tokyo, Japan, November 9-11, 2019.

An explicit model for exposed column base connections and its parameter sensitivity

A. A. SousaH. InamasuD. Lignos

2019. 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 Framess

H. InamasuA. A. SousaG. G. BartrinaD. Lignos

2019. 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 Histories

D. Heredia RosaA. R. HartloperA. A. SousaD. LignosM. Motavalli  et al.

2019. Fifth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Postdam, Germany, August 27-29, 2019.

Sensitivity of Simulated Steel Column Instabilities to Plasticity Model Assumptions

A. R. HartloperA. A. SousaD. Lignos

2019. 12th Canadian Conference on Earthquake Engineering (12CCEE), Quebec, Canada, June 17-20, 2019.

A practical method for seismic retrofit of tall buildings with supplemental damping

S. AkcelyanD. Lignos

2019. 12th Canadian Conference on Earthquake Engineering (12CCEE), Quebec, Canada, June 17-20, 2019.

Book Chapters

Capacity design principles for the ductile behaviour of conventional and high-performance steel structures under earthquake shaking

D. Lignos

SteelDoc 03/19: Construction parasismique en acier (tec 05:2019); Zürich: Centre suisse de la construction métallique (SZS), 2019.

Reports

A Nonlinear Isotropic/Kinematic Hardening Model for Materials with Discontinuous Yielding

A. R. HartloperA. A. SousaD. Lignos

2019

2018

Journal Articles

Simulating Local Buckling-Induced Softening in Steel Members Using an Equivalent Nonlocal Material Model in Displacement-Based Fiber Elements

S. KolwankarA. KanvindeM. KenawyD. LignosS. Kunnath

Journal of Structural Engineering. 2018. DOI : 10.1061/(ASCE)ST.1943-541X.0002189.

Improved Seismic Design and Nonlinear Modeling Recommendations for Wide-Flange Steel Columns

A. ElkadyD. G. Lignos

Journal of Structural Engineering. 2018. DOI : 10.1061/(ASCE)ST.1943-541X.0002166.

Adaptive numerical method algorithms for nonlinear viscous and bilinear oil damper models subjected to dynamic loading

S. AkcelyanD. G. LignosT. HikinoS. AkcelyanD. G. Lignos  et al.

Soil Dynamics and Earthquake Engineering. 2018. DOI : 10.1016/j.soildyn.2018.06.021.

Behaviour of stiffened extended shear tab connections under gravity induced shear force

M. MotallebiD. G. LignosC. A. Rogers

Journal of Constructional Steel Research. 2018. DOI : 10.1016/j.jcsr.2018.06.011.

Fragility Curves for Wide-Flange Steel Columns and Implications on Building-Specific Earthquake-Induced Loss Assessment

A. M. A. ElkadyS. GhimireD. Lignos

Earthquake Spectra. 2018. 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 Demands

A. M. A. ElkadyD. Lignos

Journal 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 Girders

V. GrigoriouA. NussbaumerD. Lignos

Journal of Bridge Engineering. 2018. DOI : 10.1061/(ASCE)BE.1943-5592.0001228.

Assessment of structural damage detection methods for steel structures using full-scale experimental data and nonlinear analysis

S.-H. HwangD. G. Lignos

Bulletin of Earthquake Engineering. 2018. DOI : 10.1007/s10518-017-0288-2.

Seismic Performance Characterization of Wood-Sheathed and Cold-Formed Steel Framed Floor and Roof Diaphragm Structures

V. NikolaidouP. LatreilleD. G. LignosC. A. Rogers

Journal of Structural Engineering. 2018. DOI : 10.1061/(ASCE)ST.1943-541X.0001962.

Nonmodel-based framework for rapid seismic risk and loss assessment of instrumented steel buildings

S.-H. HwangD. G. Lignos

Engineering Structures. 2018. DOI : 10.1016/j.engstruct.2017.11.045.

Conference Papers

Guidelines on nonlinear dynamic analysis for seismic design of steel moment frames

G. DeierleinD. LignosS. BonoA. Kanvinde

2018. 11th U.S. National Conference on Earthquake Engineering (11NCEE), Los Angeles, California, USA, June 25-29, 2018.

Fiber-based model for earthquake-induced collapse simulation of steel frame buildings

Y. SuzukiD. Lignos

2018. 11th U.S. National Conference on Earthquake Engineering, Los Angeles, California, USA, June 25-29, 2018.

Seismic retrofit of steel tall buildings with bilinear oil dampers

S. AkcelyanD. Lignos

2018. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.

Revised ASCE-41 modeling recommendations for moment-resisting frame systems

D. LignosA. R. HartloperA. M. A. ElkadyR. HamburgerG. Deierlein

2018. 11th U.S. National Conference on Earthquake Engineering (11NCEE), Los Angeles, California, USA, June 25-29, 2018.

Composite beam effects and implications to seismic design provisions

H. El JisrD. Lignos

2018. 16th European Conference on Earthquake Engineering (16ECEE), Thessaloniki, Greece, June 18-21, 2018.

Influence of embedded steel column base strength on earthquake-induced residual deformations

H. InamasuD. LignosA. Kanvinde

2018. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.

EaRL: Toolbox for Earthquake Risk and Loss Assessment of Building Assets

A. M. A. ElkadyS.-H. HwangD. Lignos

2018. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.

Improving the collapse risk of steel structures with high-performance steel

Y. SuzukiD. Lignos

2018. 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 structures

V. NikolaidouC. RogersD. Lignos

2018. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.

Effect of Column Base Flexibility on Earthquake-Induced Residual Deformations of Steel Columns

H. InamasuD. LignosA. Kanvinde

2018. 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 Frames

S.-H. HwangD. Lignos

2018. 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 Frames

S.-H. HwangD. Lignos

2018. 9th International Conference on the Behaviour of Steel Structures in Seismic Areas, Christchurch, New Zealand, February 14 - 17, 2018.

Theses

Earthquake-induced Collapse of Steel Moment Resisting Frames with Conventional and High-Performance Steel Columns

Y. Suzuki / D. Lignos (Dir.)

McGill University, 2018.

Student Projects

SEISMIC RETROFIT OF GUSSET PLATE CONNECTIONS THROUGH FINITE ELEMENT ANALYSIS MASTER PROJECT

S. R. Laffely

2018

Seismic Performance Evaluation and Retrofit of Existing Steel Frame Buildings

G. S. Nebua

2018

2017

Journal Articles

Earthquake-induced loss assessment of steel frame buildings with special moment frames designed in highly seismic regions

S.-H. HwangD. Lignos

Earthquake Engineering & Structural Dynamics. 2017. DOI : 10.1002/eqe.2898.

A probabilistic approach for assessing discontinuities in structural steel components based on Charpy-V-notch tests

O. IbrahimD. LignosC. Rogers

Engineering Structures. 2017. DOI : 10.1016/j.engstruct.2017.05.016.

Effect of Modeling Assumptions on the Earthquake-Induced Losses and Collapse Risk of Steel-Frame Buildings with Special Concentrically Braced Frames

S.-H. HwangD. Lignos

ASCE Journal of Structural Engineering. 2017. DOI : 10.1061/(ASCE)ST.1943-541X.0001851.

Conference Papers

Development of Bidirectional Cyclic Lateral Loading Protocols for Experimental Testing of Steel Wide-Flange Columns

A. M. A. ElkadyD. Lignos

2017. 3rd Huixian International Forum on Earthquake Engineering for Young Researchers, University of Illinois, Urbana-Champaign, USA, August 11-12, 2017.

Seismic Performance of a Special Steel Moment-Resisting Frame Subassembly from the Onset of Damage through Collapse

M. RamosG. MosquedaD. Lignos

2017. 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 Structures

V. NikolaidouP. LatreilleC. RogersD. Lignos

2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.

Updates to the ASCE-41-13 Provisions for the Nonlinear Modeling of Steel Wide-Flange Columns for Performance-based Earthquake Engineering

A. R. HartloperD. Lignos

2017. Eurosteel, 2017, Copenhagen, Denmark, September 13-15, 2017.

Lehrveranstaltungen in Baudynamik und Erdbebeningenieurwesen an der EPFL

K. BeyerP. LestuzziI. SmithD. Lignos

2017. D-A-CH Tagung: Erdbebeningenieurwesen und Baudynamik 2017, Weimar, Germany, September 21-22, 2017.

Full-Scale Cyclic Testing of Deep Slender Wide-Flange Steel Beam-Columns under Unidirectional and Bidirectional Lateral Drift Demands

A. M. A. ElkadyD. Lignos

2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.

Utilization of wavelet-based damage-sensitive features for structural damage assessment of steel braced frames

S.-H. HwangD. Lignos

2017. 4th Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Zurich, Switzerland, September 13-15, 2017.

Stability of extended beam-to-girder shear tab connections under gravity induced shear force

M. MotallebiD. LignosC. Rogers

2017. 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 Loading

A. M. A. ElkadyD. Lignos

2017. Annual Stability Conference Structural Stability Research Council, San Antonio, Texas, USA, March 22-24, 2017.

Assessment of the Probability of Collapse of Structures Under Earthquakes

E. MirandaL. EadsH. DavalosD. Lignos

2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.

Proposed methodology for earthquake-induced loss assessment of instrumented steel frame buildings: building-specific and city-scale approaches

S.-H. HwangD. Lignos

2017. 6th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Rhodes Island, Greece, June 15-17, 2017.

Approximate Method for Performance-Based Seismic Assessment of Steel Moment-Resisting Frames

S.-H. HwangD. Lignos

2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.

Effect of Column Base Flexibility on the Hysteretic Response of Wide Flange Steel Columns

H. InamasuD. LignosA. Kanvinde

2017. 3rd Huixian International Forum on Earthquake Engineering for Young Researchers, University of Illinois, Urbana-Champaign, United States, August, 11-12, 2017.

Collapse Behavior of Steel Columns as Part of Steel Frame Buildings: Experiments and Numerical Models

Y. SuzukiD. Lignos

2017. 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 9-13, 2017.

The seismic stability and ductility of steel columns interacting with concrete footings

H. InamasuA. KanvindeD. Lignos

2017. 8th International Conference on Composite Construction in Steel and Concrete, Jackson Hole, Wyoming, USA, July 30 - August 2, 2017.

Experimental and Numerical Evaluation of Steel Columns for Performance-Based Seismic Assessment of Steel Moment Frames

D. LignosA. M. A. ElkadyY. SuzukiA. R. Hartloper

2017. PESDES 2017 International Workshop on Performance-Based Seismic Design of Structures, Tongji University, Shanghai, China, 13-15 October 2017.

Reports

Residual stress measurements of European hot-rolled I-shaped steel profiles

A. A. SousaD. Lignos

2017

Talks

Experimental and Numerical Evaluation of Steel Columns for Performance-Based Seismic Assessment of Steel Moment Frames

D. Lignos

International 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 Recommendations

D. Lignos

9th National Conference on Steel Structures, Larisa, Greece, October 5-7 2017.

Student Projects

Seismic Performance Evaluation and Retrofit of Existing School Buildings (CROCS-System) in Switzerland

M. Paronesso

2017

2016

Journal Articles

Proposed modeling approach of welding procedures for heavy steel plates

O. IbrahimD. LignosC. Rogers

Engineering 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 collapse

M. Del Carpio R.G. MosquedaD. G. Lignos

Earthquake Engineering & Structural Dynamics. 2016. DOI : 10.1002/eqe.2743.

Spectral shape metrics and structural collapse potential

L. EadsE. MirandaD. Lignos

Earthquake Engineering & Structural Dynamics. 2016. DOI : 10.1002/eqe.2739.

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 Tests

S. AkcelyanD. LignosT. HikinoM. Nakashima

Journal of Structural Engineering. 2016. DOI : 10.1061/(ASCE)ST.1943-541X.0001474.

Assessment of Numerical and Experimental Errors in Hybrid Simulation of Framed Structural Systems through Collapse

M. J. HashemiG. MosquedaD. G. LignosR. A. MedinaE. Miranda

Journal of Earthquake Engineering. 2016. DOI : 10.1080/13632469.2015.1110066.

Conference Papers

ATC-114 Next-Generation Hysteretic Relationships for Performance-based Modeling and Analysis

R. HamburgerG. DeierleinD. LehmanL. LowesB. Shing  et al.

2016. SEAOC Convention, Maui, Hawaii, USA, October 12-15, 2016.

Guidelines on Nonlinear Dynamic Analysis for Performance-Based Seismic Design of Steel and Concrete Moment Frames

C. HaseltonG. DeierleienS. BonoW. GhannoumM. Hachem  et al.

2016. 2016 SEAOC Convention, Maui, Ka'anapali Beach, October 12-15, 2016.

Performance of Weld-Retrofit Beam-to-Column Shear Tab Connections

C. RogersM. MarosiJ. HertzD. LignosR. Tremblay  et al.

2016. 8th International Workshop on Connections in Steel Structures, Boston, Massachusetts, USA, May 24-26, 2016.

Finite element simulation of buckling of extended beam-to-girder shear tab connections under gravity induced shear force

M. MotallebiD. LignosC. Rogers

2016. Annual Stability Conference, Structural Stability Research Council, Orlando, Florida, USA, April 12-15, 2016.

Experimental Investigation of the Hysteretic Behavior of Wide-Flange Steel Columns under High Axial Load and Lateral Drift Demands

D. LignosJ. CraveroA. M. A. Elkady

2016. 11th Pacific Structural Steel Conference, Shanghai, China, 29-31, 2016.

Loading Histories for Cyclic Tests in Support of Collapse Assessment of Steel Columns

D. LignosY. Suzuki

2016. 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 Experiments

A. M. A. ElkadyD. Lignos

2016. Annual Stability Conference, Structural Stability Research Council, Orlando, Florida, USA, April 12-15, 2016.

Effect of composite beam action on the hysteretic behavior of fully-restrained beam-to-column connections under cyclic loading

A. M. A. ElkadyD. Lignos

2016. 8th International Workshop on Connections in Steel Structures, Boston, Massachusetts, USA, May 24-26, 2016.

Comparison of Seismic Design Requirements for Steel Moment Resisting Frames with Emphasis on Stability of Columns in North America, New Zealand, and Europe

A. ImanpourD. LignosC. CliftonR. Tremblay

2016. 11th Pacific Structural Steel Conference, Shanghai, China, October 26-28, 2016.

Multi-Directional Structural Component Hybrid Testing System for the Assessment of the Seismic Response of Steel I-Shaped Columns

K. AugerY. MinoueiA. M. A. ElkadyA. ImanpourM. Leclerc  et al.

2016. 11th Pacific Structural Steel Conference, Shanghai, China, October 26-28, 2016.

2015

Journal Articles

Effect of gravity framing on the overstrength and collapse capacity of steel frame buildings with perimeter special moment frames

A. ElkadyD. Lignos

EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS. 2015. DOI : 10.1002/eqe.2519.

Average spectral acceleration as an intensity measure for collapse risk assessment

L. EadsE. MirandaD. Lignos

Earthquake Engineering & Structural Dynamics. 2015. DOI : 10.1002/eqe.2575.

Analytical investigation of the cyclic behavior and plastic hinge formation in deep wide-flange steel beam-columns

A. ElkadyD. Lignos

BULLETIN OF EARTHQUAKE ENGINEERING. 2015. DOI : 10.1007/s10518-014-9640-y.

Application of Simplified Analysis Procedures For Performance-Based Earthquake Evaluation of Steel Special Moment Frames

D. LignosC. PutmanH. Krawinkler

EARTHQUAKE SPECTRA. 2015. DOI : 10.1193/081413EQS230M.

Conference Papers

FULL SCALE TESTING OF EXTENDED BEAM-TO-COLUMN AND BEAMTO- GIRDER SHEAR TAB CONNECTIONS SUBJECTED TO SHEAR

J. HertzD. LignosC. Rogers

2015. 8th International Conference on Behavior of Steel Structures in Seismic Areas, Shanghai, China, March 24-27, 2015.

Flexural buckling of extended shear tab connections under gravity induced shear force

M. MotallebiJ. HertzN. GoldsteinD. LignosC. Rogers

2015. 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 Assessment

S.-H. HwangA. ElkadyD. Lignos

2015. 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 Design Criteria for Steel Moment Resisting Frames for Collapse Risk Mitigation

A. ElkadyD. Lignos

2015. 8th International Conference on Behavior of Steel Structures in Seismic Areas, Shanghai, China, July 1-3, 2015.

2014

Journal Articles

Seismic performance of a steel moment-resisting frame subject to strength and ductility uncertainty

A. KazantziD. VamvatsikosD. Lignos

Engineering Structures. 2014. DOI : 10.1016/j.engstruct.2014.06.044.

Modeling of the composite action in fully restrained beam-to-column connections: implications in the seismic design and collapse capacity of steel special moment frames

A. ElkadyD. Lignos

Earthquake Engineering & Structural Dynamics. 2014. DOI : 10.1002/eqe.2430.

Seismic Retrofit of Steel Moment-Resisting Frames with High-Performance Fiber-Reinforced Concrete Infill Panels: Large-Scale Hybrid Simulation Experiments

D. LignosD. M. MorenoS. L. Billington

Journal of Structural Engineering. 2014. DOI : 10.1061/(ASCE)ST.1943-541X.0000877.

Computational Approach for Collapse Assessment of Concentrically Braced Frames in Seismic Regions

E. KaramanciD. Lignos

Journal of Structural Engineering. 2014. DOI : 10.1061/(ASCE)ST.1943-541X.0001011.

2013

Journal Articles

Drift-based and dual-parameter fragility curves for concentrically braced frames in seismic regions

D. LignosE. Karamanci

JOURNAL 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 identification

D. LignosE. Miranda

Earthquake Engineering & Structural Dynamics. 2013. DOI : 10.1002/eqe.2359.

Damage to Steel Buildings Observed after the 2011 Tohoku-Oki Earthquake

T. OkazakiD. LignosM. MidorikawaJ. M. RiclesJ. Love

EARTHQUAKE SPECTRA. 2013. DOI : 10.1193/1.4000124.

Dynamic Response of a Chevron Concentrically Braced Frame

T. OkazakiD. LignosT. HikinoK. Kajiwara

JOURNAL OF STRUCTURAL ENGINEERING. 2013. DOI : 10.1061/(ASCE)ST.1943-541X.0000679.

Development and Utilization of Structural Component Databases for Performance-Based Earthquake Engineering

D. LignosH. Krawinkler

Journal of Structural Engineering. 2013. DOI : 10.1061/(ASCE)ST.1943-541X.0000646.

Collapse Assessment of Steel Moment Frames Based on E-Defense Full-Scale Shake Table Collapse Tests

D. LignosT. HikinoY. MatsuokaM. Nakashima

JOURNAL OF STRUCTURAL ENGINEERING-ASCE. 2013. DOI : 10.1061/(ASCE)ST.1943-541X.0000608.

2012

Journal Articles

Development of fragility functions as a damage classification/prediction method for steel moment-resisting frames using a wavelet-based damage sensitive feature

H. Y. NohD. LignosK. K. NairA. S. Kiremidjian

EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS. 2012. DOI : 10.1002/eqe.1151.

An efficient method for estimating the collapse risk of structures in seismic regions

L. EadsE. MirandaH. KrawinklerD. Lignos

Earthquake Engineering & Structural Dynamics. 2012. DOI : 10.1002/eqe.2191.

Fragility functions for pre-Northridge welded steel moment-resisting beam-to-column connections

C. M. RamirezD. LignosE. MirandaD. Kolios

Engineering Structures. 2012. DOI : 10.1016/j.engstruct.2012.07.007.

2011

Journal Articles

Use of Wavelet-Based Damage-Sensitive Features for Structural Damage Diagnosis Using Strong Motion Data

H. Young NohK. Krishnan NairD. LignosA. S. Kiremidjian

Journal of Structural Engineering. 2011. DOI : 10.1061/(ASCE)ST.1943-541X.0000385.

Prediction and validation of sidesway collapse of two scale models of a 4-story steel moment frame

D. LignosH. KrawinklerA. S. Whittaker

EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS. 2011. DOI : 10.1002/eqe.1061.

Numerical and experimental evaluation of seismic capacity of high-rise steel buildings subjected to long duration earthquakes

D. LignosY. ChungT. NagaeM. Nakashima

COMPUTERS & STRUCTURES. 2011. DOI : 10.1016/j.compstruc.2011.01.017.

A simplified method for collapse capacity assessment of moment-resisting frame and shear wall structural systems

B. ShafeiF. ZareianD. Lignos

ENGINEERING 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 Loading

D. LignosH. Krawinkler

JOURNAL OF STRUCTURAL ENGINEERING-ASCE. 2011. DOI : 10.1061/(ASCE)ST.1943-541X.0000376.

2010

Journal Articles

Fragility Assessment of Reduced Beam Section Moment Connections

D. LignosD. KoliosE. Miranda

JOURNAL OF STRUCTURAL ENGINEERING-ASCE. 2010. DOI : 10.1061/(ASCE)ST.1943-541X.0000214.

BASIC CONCEPTS AND PERFORMANCE MEASURES IN PREDICTION OF COLLAPSE OF BUILDINGS UNDER EARTHQUAKE GROUND MOTIONS

F. ZareianH. KrawinklerL. IbarraD. Lignos

STRUCTURAL DESIGN OF TALL AND SPECIAL BUILDINGS. 2010. DOI : 10.1002/tal.546.

Enseignement et PhD

Doctorant·es actuel·les

Ce Wen, Horacio Andrés Domínguez Fuenzalida, Lise Bachmann, Rupsagar Chatterjee, Lucas Kuhn, Tianyu Gu, Arthur Paul Antonin Carmès

A dirigé les thèses EPFL de

Hiroyuki Inamasu, Alexander Riley Hartloper, Martina Paronesso, Hammad El Jisr, Andronikos Skiadopoulos, Diego Isidoro Heredia Rosa

Cours

Dynamics of structures

CIVIL-468

Charges dynamiques sur les structures, équations de mouvement des systèmes linéaires à un ou plusieurs degrés de liberté ; libérer les vibrations forcées ; amortissement dans les structures : superposition modale et analyse de l'historique de réponse, effets sismiques

Nonlinear analysis of structures

CIVIL-449

Ce cours est une introduction à la modélisation non linéaire des structures de génie civil.

Seismic engineering

CIVIL-522

Ce cours traite des principaux aspects de la conception sismique et de l'évaluation des bâtiments, incluse la conception conceptuelle. Il couvre différentes philosophies de conception structurelle et d'évaluation pour les bâtiments nouveaux et existants béton armé, en acier et en maçonnerie non armé

Structural stability

CIVIL-409

Sujets avancés en stabilité structurelle. Flambement élastique & inélastique des colonnes; poteau-poutre; flambage lateral par torsion; Effets de la non linéarité géométrique; Stabilité structurelle et normes de conception; Études de cas incluent des applications réelles de la théorie de stabilité.