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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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).

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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