Conference Papers

2023

Conference Papers

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

N. Skretas; T. Karavasilis; D. Lignos 

2023-10-19. 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. Inamasu; A. A. Sousa; D. Lignos 

2023-10-19. 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 Jisr; D. Lignos 

2023-10-19. 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 

2023-10-19. 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. Skiadopoulos; A. A. Sousa; D. Lignos 

2023-10-19. 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. Skiadopoulos; D. Lignos; M. Arita; S. Hiroshima 

2023-10-19. 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. Skiadopoulos; A. M. A. Elkady; D. Lignos 

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

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

A. Kazantzi; A. M. A. Elkady; D. Vamvatsikos; D. Lignos; E. Miranda 

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

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

S. Ozden; A. A. Sousa; D. Lignos 

2023-09-12. Eurosteel, Amsterdam, Holland , September 12-14, 2023. p. 1717-1722. DOI : 10.1002/cepa.2671.

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

N. Bijelic; A. Skiadopoulos; D. Lignos 

2023-06-25. Canadian Conferennce – Pacific Conference on Earthquake Engineering 2023, Vancouver, British Columbia, Canada, June 25th – June 30th 2023.

Towards instability-free welded moment connections

A. Skiadopoulos; D. Lignos 

2023-07-05. 13th International Congress on Mechanics, Patras, Greece, August 24-27, 2022. p. 521-530.

Hysteretic behaviour of welded connections with highly inelastic panel zones

A. Skiadopoulos; D. G. Lignos; M. Arita; S. 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. Wen; A. Skiadopoulos; D. 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. Skiadopoulos; A. de Castro e Sousa; D. G. Lignos 

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

2022

Conference Papers

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

H. Inamasu; D. Lignos 

2022-05-25. 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.

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

H. Inamasu; A. A. Sousa; D. Lignos 

2022-05-25. 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.

Assessment of stiffener spacing design requirements for intermediate EBF links via nonlinear finite element analysis

N. Skretas; T. Karavasilis; D. Lignos 

2022-10-20. 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 assessment

C. Petridis; D. Lignos; D. Pitilakis 

2022-09-04. 3rd EUROPEAN CONFERENCE ON EARTHQUAKE ENGINEERING & SEISMOLOGY, BUCHAREST, ROMANIA, September 4-9, 2022.

Seismic stability of steel moment resisting frames with inelastic panel zones

A. Skiadopoulos; D. Lignos 

2022-06-27. 12th National Conference on Earthquake Engineering, Salt Lake City, Utah, June 27 – July 1 2022.

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

A. Kazantzi; E. Miranda; D. Vamvatsikos; A. M. A. Elkady; D. Lignos 

2022-12-05. 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 Components

A. M. A. Elkady; D. Vamvatsikos; D. Lignos; A. Kazantzi; E. Miranda 

2022-11-07. Fifth International Workshop on the Seismic Performance of Non-Structural Elements (SPONSE), Stanford University, Stanford, CA, USA, December 5-7, 2022.

Investigation on the fatigue resistance of thick transverse attachments and design of VA fatigue tests

D. Leonetti; Y. Takai; K. Kinoshita; A. Nussbaumer 

2022. European Conference on Fracture 2022 (ECF 23), Funchal, Madeira, Portugal, June 27 – July 1, 2022. p. 480-489. DOI : 10.1016/j.prostr.2022.12.061.

Computational Investigation of Mode-I Fatigue Crack Growth in CFRP-Strengthened Steel Plates with a Cohesive Zone Model

M. Mohajer; M. Bocciarelli; P. Colombi; A. Hosseini; A. Nussbaumer et al. 

2022-01-01. 10th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE), Istanbul, TURKEY, Dec 08-10, 2021. p. 2287-2297. DOI : 10.1007/978-3-030-88166-5_198.

Development of a Strengthening System for Riveted/Bolted Steel Connections Using Prestressed CFRP Rods

H. Heydarinouri; M. Motavalli; A. Nussbaumer; E. Ghafoori 

2022-01-01. 10th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE), Istanbul, TURKEY, Dec 08-10, 2021. p. 2267-2276. DOI : 10.1007/978-3-030-88166-5_196.

Experimental Study on the Static and Fatigue Behaviour of a New Mechanical Wedge-Barrel Anchor

H. Heydarinouri; M. Motavalli; A. Nussbaumer; E. Ghafoori 

2022-01-01. 10th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE), Istanbul, TURKEY, Dec 08-10, 2021. p. 2180-2187. DOI : 10.1007/978-3-030-88166-5_188.

2021

Conference Papers

EaRL: An Open-Source Software for Earthquake Risk, Loss and Lifecycle Assessment

A. M. A. Elkady; D. Lignos 

2021-06-21. The 13th International Conference on Structural Safety and Reliability (ICOSSAR 2021), Shanghai, P.R. China, June 21-25, 2021.

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

H. El Jisr; D. Lignos 

2021-09-01. EUROSTEEL 2021 Sheffield — Steel’s coming home, Sheffield, England, September 1-3, 2021. p. 575-582. DOI : 10.1002/cepa.1333.

2020

Conference Papers

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

M. Paronesso; D. Lignos 

2020-09-13. 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 Loading

D. Lignos; Y. Suzuki 

2020-02-03. 8th International Conference on Advances in Experimental Structural Engineering, Christchurch, New Zealand, February 3-5, 2020.

2019

Conference Papers

Proposed criterion for fatigue strengthening of riveted bridge girders

H. Heydarinouri; A. Nussbaumer; J. Maljaars; E. Ghafoori 

2019. Fatigue Design 2019, Senlis, France, p. 482-493. DOI : 10.1016/j.prostr.2019.12.052.

Strain-based approach to fatigue crack initiation on high-strength-steel welded joints under multiaxial loading

M. Garcia; A. Nussbaumer; H. Remes 

2019. 7th International Conferen on Structural Engineering, Mechanics and Computation (SEMCce 2019), Cape Town, South Africa, September 2-4, 2019. DOI : 10.1201/9780429426506-115.

Fatigue Damage Factor Calibration for Long-Span Cable-Stayed Bridge Decks

A. Nussbaumer; J. O. Pedro; C. A. P. Baptista; M. Duval 

2019-01-01. 19th International Colloquium on Mechanical Fatigue of Metals (ICMFM), Porto, Portugal, September 05-07, 2018. p. 369-376. DOI : 10.1007/978-3-030-13980-3_47.

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

H. Inamasu; D. Lignos 

2019-11-09. 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. Sousa; H. Inamasu; D. Lignos 

2019-11-09. 12th Pacific Structural Steel Conference, Tokyo, Japan, November 9-11, 2019.

Behavior of iron-based Shape Memory Alloys under Cyclic Loading Histories

D. Heredia Rosa; A. R. Hartloper; A. A. Sousa; D. Lignos; M. Motavalli et al. 

2019-08-19. Fifth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Postdam, Germany, August 27-29, 2019.

Exposed Column Base Connections for Minimizing Earthquake-induced Residual Deformations in Steel Moment-Resisting Framess

H. Inamasu; A. A. Sousa; G. G. Bartrina; D. Lignos 

2019-09-09. SECED Earthquake Risk and Engineering Towards a Reslient World, Greenwich, London, September 9-11, 2019.

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

S. Akcelyan; D. Lignos 

2019-06-17. 12th Canadian Conference on Earthquake Engineering (12CCEE), Quebec, Canada, June 17-20, 2019.

Sensitivity of Simulated Steel Column Instabilities to Plasticity Model Assumptions

A. R. Hartloper; A. A. Sousa; D. Lignos 

2019-06-17. 12th Canadian Conference on Earthquake Engineering (12CCEE), Quebec, Canada, June 17-20, 2019.

Strengthening of steel beams using iron-based shape memory alloy (Fe-SMA) strips

M. Izadi; E. Ghafoori; A. Hosseini; J. Michels; M. Motavalli 

2019-03-01. Towards a Resilient Built Environment – Risk and Asset Management, IABSE Symposium 2019 Guimarães, Guimarães, Portugal, March 27-29, 2019.

CFRP Strengthening and Long-Term Monitoring of an Old Metallic Roadway Bridge in Melbourne

E. Ghafoori; A. Hosseini; R. Al-Mahaidi; X-L. Zhao; M. Motavalli et al. 

2019-03-01. Towards a Resilient Built Environment Risk and Asset Management, IABSE SYMPOSIUM GUIMARÃES 2019, Guimarães, Portugal, March 27-29, 2019.

2018

Conference Papers

Shape memory alloy (SMA) strips for fatigue strengthening of cracked steel plates

M. Izadi; E. Ghafoori; M. Motavalli; S. Maalek; A. Hosseini 

2018. 9th international conference on fibre-reinforced polymer (FRP) composites in civil engineering (CICE 2018), Paris, France, July 17-19, 2018.

Glass transition evaluation of commercially available epoxy adhesives for strengthening of steel structures with bonded CFRP plates

A. Hosseini; J. Michels 

2018. 9th international conference on fibre-reinforced polymer (FRP) composites in civil engineering (CICE 2018), Paris, France, July 17-19, 2018.

Feasibility of accelerated curing for strengthening of steel members by prestressed bonded CFRP plates

A. Hosseini; E. Ghafoori; A. Sadeghi Marzaleh; M. Motavalli 

2018. 9th international conference on fibre-reinforced polymer (FRP) composites in civil engineering (CICE 2018), Paris, France, July 17-19, 2018.

Application of pre-stressed un-bonded CFRP for strenghthening of metallic structures

E. Ghafoori; A. Hosseini; E. Pellisier; M. Hueppi; M. Motavalli 

2018. 9th international conference on fibre-reinforced polymer (FRP) composites in civil engineering (CICE 2018), Paris, France, July 17-19, 2018.

FRP-to-concrete debonding – global and local bond behaviour

M. Breveglieri; A. Hosseini; C. Czaderski 

2018. 9th international conference on fibre-reinforced polymer (FRP) composites in civil engineering (CICE 2018), Paris, France, July 17-19, 2018. p. 353-360.

Prestressed FRP-strengthening and wireless monitoring of a metallic bridge in Australia

E. Ghafoori; A. Hosseini; R. Al-Mahaidi; X-L. Zhao; M. Motavalli et al. 

2018. 9th international conference on bridge maintenance, safety and management (IAMBAS 2018), Melbourne, Australia, July 9-13, 2018. DOI : 10.1201/9781315189390-60.

Flat prestressed unbonded reinforcement (FPUR) system for strengthening of steel I-Beams

A. Hosseini; E. Ghafoori; M. Motavalli; A. Nussbaumer; X-L. Zhao et al. 

2018. 9th international conference on bridge maintenance, safety and management (IAMBAS 2018), Melbourne, Australia, July 9-13, 2018. DOI : 10.1201/9781315189390-59.

Multiaxial Fatigue Study on Transversal Attachments under constant amplitude proportional and non-proportional loadings

M. Garcia; C. A. Pereira Baptista; A. Nussbaumer 

2018-06-01. 12th international fatigue congress, Poitiers, France, May 28-June 1, 2018. p. 16007. DOI : 10.1051/matecconf/201816516007.

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

Y. Suzuki; D. Lignos 

2018-06-25. 11th U.S. National Conference on Earthquake Engineering, Los Angeles, California, USA, June 25-29, 2018.

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

D. Lignos; A. R. Hartloper; A. M. A. Elkady; R. Hamburger; G. Deierlein 

2018-06-22. 11th U.S. National Conference on Earthquake Engineering (11NCEE), Los Angeles, California, USA, June 25-29, 2018.

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

G. Deierlein; D. Lignos; S. Bono; A. Kanvinde 

2018-06-25. 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 deformations

H. Inamasu; D. Lignos; A. Kanvinde 

2018-06-22. 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. Elkady; S-H. Hwang; D. Lignos 

2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.

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

Y. Suzuki; D. Lignos 

2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.

Seismic retrofit of steel tall buildings with bilinear oil dampers

S. Akcelyan; D. Lignos 

2018-06-22. 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 structures

V. Nikolaidou; C. Rogers; D. Lignos 

2018-06-22. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece, June 18-21, 2018.

Composite beam effects and implications to seismic design provisions

H. El Jisr; D. Lignos 

2018-06-22. 16th European Conference on Earthquake Engineering (16ECEE), Thessaloniki, Greece, June 18-21, 2018.

Earthquake-Induced Collapse Risk and Loss Assessment of Steel Concentrically Braced Frames

S-H. Hwang; D. Lignos 

2018. 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 Recommendations

A. Elkady; J. Cravero; D. G. Lignos 

2018. 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 Column Base Flexibility on Earthquake-Induced Residual Deformations of Steel Columns

H. Inamasu; D. Lignos; A. Kanvinde 

2018-02-14. 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 Frames

S-H. Hwang; D. Lignos 

2018-02-14. 8th International Conference of the Seismic Behaviour of Steel Structures in Seismic Areas, Christchurch, New Zealand, February 14-17, 2018.

2017

Conference Papers

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

A. M. A. Elkady; D. Lignos 

2017-08-11. 3rd Huixian International Forum on Earthquake Engineering for Young Researchers, University of Illinois, Urbana-Champaign, USA, August 11-12, 2017.

Using re-calibrated design S-N curves for fatigue assessment of road bridges

L. D’Angelo; A. Nussbaumer 

2017. Stahlbau, Holzbau und Verbundbau. Festschrift, Stuttgart, Germany, August 31, 2017. p. 443-448.

Lehrveranstaltungen in Baudynamik und Erdbebeningenieurwesen an der EPFL

K. Beyer; P. Lestuzzi; I. Smith; D. Lignos 

2017. 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 Frames

D. Lignos; A. M. A. Elkady; Y. Suzuki; A. R. Hartloper 

2017. 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 Engineering

A. R. Hartloper; D. Lignos 

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

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

S-H. Hwang; D. Lignos 

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

An experimental investigation into bond behavior of prestressed CFRP to steel substrate

A. Hosseini; M. Wellauer; E. Ghafoori; A. Sadeghi Marzaleh; M. Motavalli 

2017. Fourth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR 2017), ETHZ, Zurich, Switzerland, September 13-15, 2017.

A novel mechanical clamp for strengthening of steel members using prestressed CFRP plates

A. Hosseini; E. Ghafoori; M. Motavalli; A. Nussbaumer; R. Al-Mahaidi et al. 

2017. Fourth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR 2017), ETHZ, Zurich, Switzerland, September 13-15, 2017.

Fatigue strengthening of cracked steel plates using prestressed unbonded CFRP reinforcements

A. Hosseini; E. Ghafoori; M. Motavalli; A. Nussbaumer; X-L. Zhao et al. 

2017. Fourth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR 2017), ETHZ, Zurich, Switzerland, September 13-15, 2017.

Recent developments of strengthening techniques for metallic structures

E. Ghafoori; M. Dawood; A. Hosseini 

2017. Fourth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR 2017), ETHZ, Zurich, Switzerland, September 13-15, 2017.

Feasibility of iron-based shape memory alloy strips for prestressed strengthening of steel plates

M. Izadi; E. Ghafoori; A. Hosseini; M. Motavalli; S. Maalek et al. 

2017. Fourth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR 2017), ETHZ, Zurich, Switzerland, September 13-15, 2017.

Development of anchorage systems for strengthening of steel plates with iron-based shape memory alloy strips

M. Izadi; E. Ghafoori; A. Hosseini; M. Motavalli; S. Maalek 

2017. Fourth Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR 2017), ETHZ, Zurich, Switzerland, September 13-15, 2017.

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

H. Inamasu; D. Lignos; A. Kanvinde 

2017. 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 footings

H. Inamasu; A. Kanvinde; D. Lignos 

2017. 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 approaches

S-H. Hwang; D. Lignos 

2017. 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 force

M. Motallebi; D. Lignos; C. 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. Elkady; D. Lignos 

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

Experimental Study on Cyclic Behaviors and Restoring Force Characteristics of Concrete Filled Steel Tube Columns Using Ultra-High Strength Steel

K. Hayashi; Y. Luo; R. Nishi; H. Inamasu; M. Nakashima 

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

Experimental Investigation of Steel Braces Installed with Intentional Eccentricity Using Gusset Plate Connections

K. Skalomenos; H. Inamasu; H. Shimada; M. Kurata; M. Nakashima 

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

Experimental Investigation of Bolt-Configured Naturally Buckling Braces with Gusset Plate Connections

H. Inamasu; K. Skalomenos; P-C. Hsiao; K. Hayashi; M. Kurata et al. 

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

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

Y. Suzuki; D. 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. Nikolaidou; P. Latreille; C. Rogers; D. Lignos 

2017. 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 Demands

A. M. A. Elkady; D. Lignos 

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

Assessment of the Probability of Collapse of Structures Under Earthquakes

E. Miranda; L. Eads; H. Davalos; D. Lignos 

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

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

S-H. Hwang; D. Lignos 

2017. 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 Collapse

M. Ramos; G. Mosqueda; D. Lignos 

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

2016

Conference Papers

Fatigue strengthening of riveted girders in a historic railway metallic bridge in Switzerland using pre-stressed un-bonded CFRP laminates

E. Ghafoori; M. Motavalli; A. Herwig; A. Nussbaumer; G. S. Prinz et al. 

2016. 8th International Conference on Bridge Maintenance, Safety and Management (IABMAS2016), Foz do Iguaçu, Brazil, June 26-30, 2016.

A strengthening theory to prevent fatigue crack initiation in old metallic bridges

E. Ghafoori; M. Motavalli; A. Nussbaumer; A. Herwig; M. Fontana et al. 

2016. 8th International Conference on Bridge Maintenance, Safety and Management (IABMAS2016), Foz do Iguaçu, Brazil, June 2016.

Round robin on local stress evaluation for fatigue by various FEM software

A. Nussbaumer; V. Grigoriou 

2016. 69th International Institute for Welding (IIW) Annual Assembly and International Conference, Melbourne, Australia, July 10-15, 2016.

Seismic Behavior and Physical Theory Model of a Steel Brace with Intentional Eccentricity

K. Skalomenos; H. Inamasu; H. Shimada; M. Nakashima 

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

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

R. Hamburger; G. Deierlein; D. Lehman; L. Lowes; B. Shing et al. 

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

Stress Analysis of Unbonded and Bonded Prestressed CFRP-strengthened Steel Plates

A. Hosseini; E. Ghafoori; M. Motavalli; A. Nussbaumer; X-L. Zhao 

2016. 8th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering, Hong Kong, China, December 14-16, 2016. p. 1179-1186.

Monitoring Fresh State Behavior of Fiber Reinforced Cementitious Composites (FRCCs) : A Non-Destructive, Non-Intrusive and Full Field Image Based Technique

I. Sanal; N. Ozyurt; A. Hosseini 

2016. 12th International Congress on Advances in Civil Engineering, Bogazici University, Istanbul, Turkey, September 21-23, 2016.

An Alternative to Conventional Measurement Techniques for Evaluating Crack Propagations and Crack Width Openings

I. Sanal; A. Hosseini; N. Ozyurt 

2016. 12th International Congress on Advances in Civil Engineering, Bogazici University, Istanbul, Turkey, September 21-23, 2016.

Application of photoelasticity in structural glass research

J. Cupac 

2016. International Conference on Processes in Combined Digital Optical and Imaging Methods applied to Mechanical Engineering, Ascona, Switzerland, May 8-13, 2016. p. 63-66.

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

K. Auger; Y. Minouei; A. M. A. Elkady; A. Imanpour; M. Leclerc et al. 

2016. 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 Europe

A. Imanpour; D. Lignos; C. Clifton; R. Tremblay 

2016. 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 Demands

D. Lignos; J. Cravero; A. M. A. Elkady 

2016. 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 Frames

C. Haselton; G. Deierleien; S. Bono; W. Ghannoum; M. Hachem et al. 

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

Ultra low cycle fatigue of welded steel joints under multiaxial loading

A. A. Sousa; A. Nussbaumer 

2016. Structural engineering, mechanics and computation, Cape Town, South Africa, September 5-7, 2016. p. 433-434. DOI : 10.1201/9781315641645-217.

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

D. Lignos; Y. 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. Elkady; D. Lignos 

2016. 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 force

M. Motallebi; D. Lignos; C. Rogers 

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

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

C. Rogers; M. Marosi; J. Hertz; D. Lignos; R. Tremblay et al. 

2016. 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 loading

A. M. A. Elkady; D. Lignos 

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

2015

Conference Papers

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

J. Hertz; D. Lignos; C. Rogers 

2015. 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 Mitigation

A. Elkady; D. Lignos 

2015. 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 force

M. Motallebi; J. Hertz; N. Goldstein; D. Lignos; C. 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. Hwang; A. Elkady; D. 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.