SDSS 2025

Chaired by: Prof. VINCENZO PILUSO (UNIVERSITY OF SALERNO, Italy) , Prof. Primož Može (University of Ljubljana, Faculty of Civil and Geodetic Engineering, Slovenia)

Parametric Finite Element Study of Preloaded Joints with Long Slotted Holes
A. Silva de Carvalho * , T. Bogdan , J. Demonceau , F. Ljubinković , A. Kozma , L. Simões da Silva , C. Odenbreit
Analyses of the Properties of Extended End-Plate Bolted Connection with Two and Four Bolts per Row
A. Gjukaj * , P. Cvetanovski , Y. Sun
Gusset Plate Stability with the Notional Load Yield Line Method
B. Dowswell *
Strength of Skewed Fillet Welds
M. Gallow , B. Dowswell * , F. Fouad
Design Methodologies for Hybrid Steel Beam-column Connections in Fire
L. LAPIRA * , C. QUAN , K. CASHELL
Mechanical Characterization of Column Web in Compression Component for Welded Joints
F. Freire Ribeiro * , J. Conde Conde , L. Simões da Silva

Mon, 08/09/2025
10:30 - 12:30
A2 + A3
TD1_B.1

TD1_B.1 3D Printing and Additive Manufacturing I

Chaired by: Prof. Ben Young (The Hong Kong Polytechnic University, China, Hong Kong) , Dr. Trayana Tankova (Delft University of Technology, Netherlands)

Material And Compression Behaviour of 3D Printed High Strength Al7075 Aluminium Alloy
E. Mansour * , X. Ruan , B. Rossi , J. Robinson , M. Bock , A. Arjunan
Experimental Study of Stainless Steel Angle Sections 3D-Printed by Wire-Laser Additive Manufacturing (WLAM)
X. Chen , W. Cheng , L. Li , Y. Sun *
Topology Optimisation and Reengineering of Tubular WAAM Joints for Hybrid Construction
M. Zhang * , X. Meng , P. Kyvelou , L. Gardner
Optimisation of Hybrid WAAM Tubular T-joints
T. Hu * , X. Meng , P. Kyvelou , L. Macorini , L. Gardner
Mechanical Testing and Microstructural Analysis of Wire Laser Metal Deposited Stainless Steel
P. Kyvelou * , W. Hong , R. Zhang , L. Gardner
Residual Stresses in Steel I-Section Beams Strengthened by Wire Arc Additive Manufacturing
J. Yang * , A. Wadee , L. Gardner
Compression Response of Additive Manufactured AlSi10Mg Square and Rectangular Hollow Sections
J. BAWAZEER * , M. THEOFANOUS , M. Cabrera , K. SKALOMENOS , M. BOCK

Mon, 08/09/2025
12:30 - 13:30
Hall Auditorium
LB_1

LB_1 Lunch Break

Mon, 08/09/2025
13:30 - 15:30
A1
TD1_C.2

TD1_C.2 Composite Structures II

Chaired by: Prof. Sheida Afshan (University of Southampton, United Kingdom) , Dr. Carmen Ibáñez Usach (Universitat Politècnica de València, Spain)

Low-Cycle Fatigue Behaviour of Bolted Shear Con-nectors in Sustainable Composite Structures
A. Mohammadi Niaei * , F. Mashiri , O. Mirza , M. Hosseini
Numerical Analysis of Composite Trusses
D. Rozgonyi , N. Kovacs *
Experimental and Numerical Analysis of Demountable Composite Beams
K. Király * , L. Dunai , A. Kocsis , L. Calado
Structural Performance of Innovative Demountable Shear Connectors for Automated Prefabricated Composite Construction
N. Gomes , H. Craveiro * , R. Simões , C. Rebelo , L. Simões da Silva
Path-following strategies for nonlinear analysis of steel-concrete composite cross-sections: a bi-axial bending evaluation
P. Lima , Í. Lemes , R. Silveira * , R. Barros , C. Chiorean
Push-Out Tests on Steel-Timber-Concrete Composite (STCC) Connection
B. Bouvier * , M. Couchaux , P. Martin , M. Hjiaj , C. Bayart
Performance Evaluation of Tubular Perfobond Shear Connectors
K. Souza * , J. Henriques , A. Silva , L. Lima , M. Rodrigues
Experimental Assessment of Double-Skin Tubular Columns Under Eccentric Loads
D. Malvaris , L. Lima * , M. Rodrigues

Mon, 08/09/2025
13:30 - 15:30
Auditorium WTC
TD1_A.2

TD1_A.2 Cold-formed II

Chaired by: Prof. Rodrigo Gonçalves (Universidade NOVA de Lisboa, Portugal) , Prof. Florea Dinu (politehnica University, Romania)

Buckling Mode Identification of Steel Decks Using Fiber Optic Strain Sensing and 3D Spatial Data
M. Mustaq , R. Rakhee , G. Arulananthan , N. Opperman , H. Koh , J. Hampton , H. Blum *
Recent Development in the Direct Strength Method of Design for Cold-Formed Hat Sections under Localised Loading
Z. Chen , C. Pham * , G. Hancock
Carrying capacity of back-to-back cold-formed thin-walled U profiles subjected to compression
M. Bezas , M. Vermeylen , H. Morch , K. Ginckels , J. Demonceau *
Impact of Fasteners on Web Crippling Resistance of Trapezoidal Profiles
Ö. Nagy * , Z. Nagy , M. Casafont , X. Centelles , O. Bové
Cross-section effective properties for the practical design of doubly corrugated cold-formed steel arches
M. Casafont * , O. Bové , F. Marimon , M. Ferrer , M. Soltanalipour
Structural behavior of a stainless steel channel sections under axial compression
R. Guedes , M. Rodrigues * , F. Pereira
Effect of Roll Forming Proccess Errors On The Buckling Capacity of Racked Beams
B. Alberdi * , A. Oyanguren , J. Larrañaga , I. Ulacia
Design of an Innovative CFS Purlin (Zigmax®) by Experimental Testing
H. Craveiro * , L. Laím , J. Martins , R. Simões , S. Sabari , M. Matos , L. da Silva

Mon, 08/09/2025
13:30 - 15:30
A4
TD1_D.2

TD1_D.2 Joints and Connections II

Chaired by: Prof. Shen Yan (College of Civil Engineering, Tongji University, Shangai, China) , Prof. Harald Unterweger (Graz University of Technology, Austria)

Riveted Joint Numerical Design Calculation
M. KOZICH , F. WALD * , M. VILD
Moment-Resisting Beam-to-Column Joints in Reusable Building Structures
I. JAKOVLJEVIĆ , J. DOBRIĆ * , N. GLUHOVIĆ , M. SPREMIĆ
Behaviour of a Demountable Continuous Shear Connection in Steel-Concrete Composite Beams
J. Guo * , P. Chen , T. Chan
Resistance of Tubular RHS Joints Reinforced with LCT Passing Through Plates
J. Oliveira Pedro * , J. Damião , L. Calado
Static Tests on Imperfect Butt-Welded Connections - Effects of Porosity, Undercut, and Lack of Penetration
K. MOURADIAN * , A. BEYER , M. COUCHAUX
Strain Limit in Structural Steel Joint Analysis
K. Golubiatnikov * , F. Wald , M. Vild
The Use of Friction Shims in Slip-Resistant Connections in Steel Bridge Structures
B. Brune , L. Kröger * , J. Schweyher , D. Ungermann
Bending resistances of Corner-Bolted Steel-to-Concrete End-Plate Connections
M. Sonna Donko * , M. Couchaux , J. Boudot

Mon, 08/09/2025
13:30 - 15:30
A2 + A3
TD1_B.2

TD1_B.2 3D Printing and Additive Manufacturing II

Chaired by: Dr. Marios Theofanous (University of Birmingham, United Kingdom) , Dr. Pinelopi Kyvelou (Imperial College London, United Kingdom)

Effect of Design Parameters on Residual Stresses in Plates Stiffened by Wire and Arc Additive Manufacturing
A. K V * , H. Moshayedi , L. Subramanian , E. Ghafoori
Practical Guidelines for Wire Arc Additive Manufacturing of Steel Components
N. Hadjipantelis *
A New Generation of Lattice Elements Produced With Wire-Arc Additive Manufacturing
V. Laghi * , N. Babovic , E. Savino , S. Silvestri , G. Gasparini , T. Trombetti
Residual Stress Distributions in Wire Arc Additively Manufactured Tubular Parts
A. Spinasa * , B. Weber , X. Meng , L. Gardner
Stub Column Tests on Concrete-Filled Wire Arc Additively Manufactured Steel Tubes
W. Hong , S. Evans , K. Cashell , L. Gardner , N. Hadjipantelis *
Flexural Buckling Behavior of Wire-Arc Additively Manufactured Stainless Steel Bars
V. Laghi * , E. Savino , M. Palermo , G. Gasparini , S. Silvestri , T. Trombetti
Dependency of fatigue resistance on roughness in WAAM printed carbon steel components
X. Ruan * , B. Karabulut , J. Dobrić , B. Rossi
Testing of Additively Manufactured Stainless Steel Tubular Stub Columns
J. Xu * , Q. Li , B. Young

Mon, 08/09/2025
15:30 - 16:00
Hall Auditorium
CBT_1

CBT_1 Coffee Break

Mon, 08/09/2025
16:00 - 18:00
A1
TD1_C.3

TD1_C.3 Composite Structures III

Chaired by: Prof. Paulo Vila Real (University of Aveiro, Portugal) , Phd. DAVID HERNANDEZ FIGUEIRIDO (UNIVERSITAT JAUME I, Spain)

Finite Element Approach on the Behaviour of the Demountable Shear Connection in Cold-Formed Steel-Concrete Composite Beams
V. ŽUVELEK * , I. ĆURKOVIĆ , I. LUKAČEVIĆ , A. RAJIĆ
Composite Columns Made of Concrete-Filled Hollow Steel Sections with Embedded Steel Cores using High-Strength Steel
J. Nonn * , K. Wolters , T. Janiak , M. Claßen , M. Feldmann
Compressive Behaviour of Hollow and Concrete-filled Steel Tubular Columns Stiffened with Semi-circles
S. Li * , T. Chan , B. Young
Performance of LWT-FLOOR Steel-Concrete Composite Floor Beams: Full-Scale Experimental Study
I. Lukačević * , I. Ćurković , A. Rajić , V. Žuvelek
Assessment Of The Load Bearing Models For A Ductile Behaviour Of Connections Between Steel Beams And CLT Panels
A. Turgut * , H. Degée , J. Henriques
Experimental Investigation on the Behaviour of the Demountable Shear Connection in Cold-Formed Steel-Concrete Composite Beams
I. ĆURKOVIĆ * , I. LUKAČEVIĆ , V. ŽUVELEK , A. RAJIĆ
Steel Framing Buildings with Concrete-Filled Cold-Formed Studs. Earthquake-Resistant Capacity
J. Navarro * , O. Bové , M. Casafont , F. López-Almansa
Second-Order Flexibility-Based Beam-Column Element for Fire-Exposed Structural Member Analysis
C. Chiorean *

Mon, 08/09/2025
16:00 - 18:00
Auditorium WTC
TD1_A.3

TD1_A.3 Cold-formed III

Chaired by: Dr. Thomas Misiek (Breinlinger Ingenieure Hochbau GmbH, Germany) , Dr. Miquel Casafont (Universitat Politècnica de Catalunya, Spain)

Analytical Solutions for Elastic Shear Buckling of Thin-Walled Channels with Narrow Flanges
X. Chen * , C. Pham
Improving the DSM design of lipped channel columns affected by distortional buckling
E. Ferreira Filho * , A. Landesmann , D. Camotim
Structural behavior and failure probability of thin-walled cold-formed steel buildings affected by land subsidence
J. Ortiz Lozano * , M. Zermeño de León , J. López López
Experimental Investigations on Built-up Cold-formed members assembled by laser welding
V. Ungureanu * , C. Antonio Andrei , I. Both
Behaviour of Cold-Formed Steel Built-up Open Sections Subjected to Interactive Buckling Modes
M. Madhavan , B. Naik *
Experimental Study of Cold-formed Steel Frames with Semi-rigid Floor-to-wall Joints
X. Guo * , A. Panda , P. Kyvelou , L. Gardner
Influence of web holes on critical elastic web crippling strength of cold-formed steel sections with web holes
G. Perampalam * , D. Pathirana , M. Bock , L. Simwanda
Performance of Cold-Formed Steel Upright Column in Storage Rack Systems: a Numerical Study
M. Furukawa * , M. Malite

Mon, 08/09/2025
16:00 - 18:00
A4
TD1_D.3

TD1_D.3 Joints and Connections III

Chaired by: Prof. Michal Jandera (Czech Technical University in Prague, Czechia) , Dr. Hannah Blum (University of Wisconsin-Madison, United States)

Elastic Behaviour of Varying-Width T-Stubs in Contact with a Rigid Foundation
S. Por , M. Sonna Donko * , M. Couchaux , J. Boudot
Ultimate Resistance of Nickel-free Stainless Steel T-stubs under Static Loading
M. Cabrera * , M. Theofanous , W. Li , S. Dirar , S. Afshan
Design and Numerical Analysis of Gusset Plate Connections in Compression
M. Kuříková * , K. Cábová , P. Bartůšek , N. Feber , M. Jandera
A Novel Methodology for Determining the Initial Stiffness of Speed-Lock Beam-to-Upright Connections Based on Stiffness Evolution Analysis
D. Santamaria * , A. Oyanguren , J. Larrañaga , I. Ulacia
Evaluation of Reduced Web Section (RWS) Beam Connections Subjected to Cyclic Loading
M. Bayat * , K. Tsavdaridis , A. Rodrıguez
Investigation of Steel Brace-Rotated Tubular T-Joints
C. SANTOS , F. PEREIRA * , M. RODRIGUES
Verification of Member and Gusset Plate Imperfections in GMNIA Simulations
A. Müller * , M. Giulieri , A. Taras , M. Vild

Mon, 08/09/2025
16:00 - 18:00
A2 + A3
TD1_B.3

TD1_B.3 3D Printing and Additive Manufacturing III

Chaired by: Prof. Leroy Gardner (Imperial College London, United Kingdom) , Dr. Wai-Meng QUACH (University of Macau, China, Macao)

Generative Design For Additive Manufacturing of Rafter-To-Column Connections In Steel Portal Frames
M. Bock * , M. Theofanous , A. Kumaran , Z. Pinter
3D printing of ER308L structural components by means of a novel double-wire TIG-WAAM technology
M. Grande * , J. Calvo , J. Cabrera , S. Fernandez , F. Fenollosa , P. Barriobero , J. Almagro , A. Núñez , E. Real , I. Arrayago , J. Sanz
Ductile Fracture in WAAM-Fabricated High Strength Steel for Structural Applications
T. Tankova * , H. El Bamby , M. Veljkovic
Local Buckling Behaviour of Wire Arc Additively Manufactured High Strength Steel Circular Hollow Sections
W. Hong * , R. Zhang , N. Hadjipantelis , L. Gardner
Experimental and Numerical Investigation of Mechanical and Geometric Properties of Wire Arc Additively Manufactured Structures
P. Afshar Imani * , K. Rasmussen , M. Khezri
Seismic Energy Dissipation with a WAAM Lattice-Optimized Corner Crescent Shaped Brace
L. Arrè * , M. Alagheband , V. Laghi , G. Gasparini , S. Silvestri , T. Trombetti , M. Palermo
Standardisation framework for steel structures featuring wire arc additive manufacturing
X. Meng * , L. Gardner

Tue, 09/09/2025
08:00 - 09:00
Hall Auditorium
REG_D2

REG_D2 Registration

Tue, 09/09/2025
09:00 - 09:30
Auditorium WTC
KNIII

KNIII Keynote III

Main Organizer: Ms. Belen Riveiro (Universidade de Vigo, Spain)

Chaired by: Prof. Markus Knobloch (University of Stuttgart | Institute of Structural Design, Germany) , Prof. Kim Rasmussen (University of Sydney, Australia)

From Data to Safety: The Digital Evolution of Structural Assessment of Ageing Steel Bridges
B. Riveiro *

Tue, 09/09/2025
09:30 - 10:00
Auditorium WTC
KNIV

KNIV Keynote IV

Main Organizer: Prof. Leroy Gardner (Imperial College London, United Kingdom)

Chaired by: Prof. Markus Knobloch (University of Stuttgart | Institute of Structural Design, Germany) , Prof. Kim Rasmussen (University of Sydney, Australia)

Hybrid steel construction solutions combining traditional and additive manufacturing
L. Gardner *

Tue, 09/09/2025
10:00 - 10:30
Hall Auditorium
CBM_2

CBM_2 Coffee Break

Tue, 09/09/2025
10:30 - 12:30
A1
TD2_C.1

TD2_C.1 High Strength and Stainless Steels

Chaired by: Prof. Luciano Lima (UERJ - State University of Rio de Janeiro, Brazil) , Dr. Marina Bock (Aston University, United Kingdom)

Numerical Investigation of Cold-Formed Stainless Steel Elliptical Hollow Section Beam-Column Members
Y. YAO , W. QUACH * , B. YOUNG
High-Strength Steel Columns In Steel Structures – Establishment Of Reference Slenderness Ratios To Select The Appropriate Steel Grade
L. Saufnay * , J. Demonceau
General Method for Slender I-Section Stainless Steel Beam-Columns
F. Arrais * , M. Jandera
Post-fire Behaviour of Stainless Steel Rebars
D. Hernández-Figueirido , A. Lapuebla-Ferri * , D. Pons , V. Albero , A. Piquer , M. Roig , C. Ibáñez
Experimental and numerical assessment of austenitic stainless steel hot-rolled equal-leg angle short columns under eccentric loads
A. MENEZES , F. SARQUIS * , L. LIMA , M. RODRIGUES
Structural Performance and Design Analyses of S960 Ultra-high Strength Steel Welded I-section Members
A. Su * , O. Zhao , K. Rasmussen , L. Gardner
High strength steels under combined regimes of elevated temperature and high strain rates
E. Cadoni * , D. Forni

Tue, 09/09/2025
10:30 - 12:30
Auditorium WTC
TD2_A.1

TD2_A.1 Advanced Design, Reliability and Safety

Chaired by: Prof. Andreas Taras (ETH Zurich, Switzerland) , Dr. Merih Kucukler (University of Warwick, United Kingdom)

Improvements in the IS method for climate change - focused reliability assessment of steel portal frames
M. Jankovic * , F. Ljubinkovic , H. Gervásio , L. Simôes Da Silva
Development of Residual Stress Model for Welded Box-Sections Using Probabilistic Simulation Techniques
A. Horváth * , D. Kollár
Probabilistic-Based Residual Stress Model for Hot-Rolled I-Sections
R. Steinmetz * , A. Taras
Full range stress-strain curves for hot-rolled steels
R. Rahnavard * , H. D. Craveiro , L. Simoes Da Silva
Material Modelling for Hot-Rolled Steels
L. Dissanayake * , F. Walport , X. Yun , L. Gardner
An Assessment of the Linear, Buckling and Vibration Behavior of Tapered Polygonal Tubes Using GBT
R. Gonçalves *
A Distributed Plasticity Beam-Column Finite Element with Interaction among All Stress Components
D. Magisano * , G. Garcea
Comprehensive Study On Behavior And Reliability Of New Design Formulation For The Ultimate Strength Of Steel Sections Under Fire Exposure Condition
S. Shukla * , A. Samanta

Tue, 09/09/2025
10:30 - 12:30
A4
TD2_D.1

TD2_D.1 Joints and Connections IV

Chaired by: Prof. Frantisek WALD (Czech Technical University in Prague, Czechia) , Prof. Luis Calado (Instituto Superior Técnico, Portugal)

Test of Eccentrically Connected Gusset Plates in Compression
P. Bartůšek * , M. Jandera , K. Cábová , N. Feber
Significance of the deformation capacity of bolts for the performance of bearing-type lap connections
P. Može * , A. Ogrin , S. Zoubek
Structural Design of Reconfigurable Joints for Lightweight Spatial Structures
S. Gkatzogiannis * , E. G. Christoforou , E. G. Vourkos , M. C. Phocas
Effect of high temperatures on austenitic stainless steel circular tubular T-joints
Y. CAI * , J. WEI , F. ZHOU
Tests of cold-formed austenitic stainless steel circular tubular T-joints
Y. CAI * , B. YOUNG
WAAM Integrated Plug-and-Play Beam-to-Column Connection
T. Tankova * , M. Veljkovic
Investigation of the behaviour of bolted connections in rolled stainless steel angles
J. COSTA , A. SILVA , L. LIMA , M. RODRIGUES *
Characterization of the Long bolts in Tension
N. Janković * , F. Ljubinković , J. Conde , L. Silva

Tue, 09/09/2025
10:30 - 12:30
A2 + A3
TD2_B.1

TD2_B.1 Members and Frames I - TC8

Chaired by: Prof. Bert Snijder (Eindhoven University of Technology, Netherlands) , Prof. Richard Stroetmann (Technische Universität Dresden, Germany)

Effect of Residual Stresses in Welded I-Members with Plasma-, Flame-Cut and Hot-Rolled Flanges on the Lateral Torsional Buckling
M. Lebastard * , A. Bureau , M. Couchaux
Imperfection shape combination rules for the stability design of steel structures
F. Walport * , H. Chan , L. Gardner
Improved Formulations of the Buckling Curves for Welded Members based on an Advanced Residual Stress Approach
L. Schaper * , T. Tankova , M. Knobloch , L. Simões da Silva
Compression capacity of closely spaced double angle members – effect of joint stiffness at member ends
H. Unterweger , M. Kettler , P. Zauchner *
Stability and Plasticity Interaction Effects in Basic and Building-Size Steel Sway Structures
H. Hofmeyer * , W. Brand , B. Snijder , P. Poorsolhjouy
Buckling of welded box columns made of high-strength steels
R. Stroetmann * , G. Penner
Interaction of Compression and Bending for Stainless Steel I-Section Columns
N. Feber * , M. Jandera

Tue, 09/09/2025
12:30 - 13:30
Hall Auditorium
LB_2

LB_2 Lunch Break

Tue, 09/09/2025
13:30 - 15:30
Auditorium WTC
KNVI

KNVI Special Session - Round Table

Chaired by: Prof. Esther Real (Universitat Politècnica de Catalunya, Spain)

Tue, 09/09/2025
15:30 - 16:00
Hall Auditorium
CBT_2

CBT_2 Coffee Break

Tue, 09/09/2025
16:00 - 18:00
Auditorium WTC
TD2_A.3

TD2_A.3 Robustness and progressive collapse

Chaired by: Prof. Jean-François Demonceau (University of Liege, Belgium) , Prof. Jose Adam (Universitat Politècnica de València, Spain)

Assessing the Effectiveness of Roof-Level Retrofitting Beams in Enhancing the Robustness of Steel Building Structures
B. Barros González * , M. Arias Gracey , L. Rueda García , J. Fontalvo García , M. Buitrago Moreno , J. Adam Martínez
Ductility of Bolted T-Stubs Under Multiple Loading Scenarios
F. Dinu * , C. Neagu , M. Senila , A. Constantinescu
Limitations of Current Robustness Standards in Steel-Composite Buildings
L. Marin * , N. Makoond , M. Buitrago , J. Adam
Experimental and Numerical Investigations on the Robustness of Dissipative Joints
T. Golea * , R. Carlevaris , R. Tartaglia , M. D'Aniello , M. Latour , V. Piluso , J. Demonceau
Response of Stainless Steel Bolted Beam-column Connections under Column Removal
W. Li * , H. Moodley , S. Afshan , M. Cabrera , M. Theofanous
Enhancement of ductility characteristics of steel faced sandwich panels under extreme loading
F. Dinu * , C. Neagu , M. Senila , A. Onea , I. Petran , D. Ivascu
Nonlinear Dynamic Analysis Of Steel Plates Subjected To Explosive Loading Considering The Membrane Effect and The Influence Of The Negative Phase
M. Martins * , A. Reis , J. Da Silva , R. Burgos
Nonlinear Dynamic Analysis Of Steel Plates Subjected To Explosive Loading: Comparison Between Analytical and Finite Element Models
A. Reis * , M. Martins , J. Da Silva , R. Burgos

Tue, 09/09/2025
16:00 - 18:00
A1
TD2_C.3

TD2_C.3 Fatigue and Fracture

Chaired by: Dr. Peter Knoedel (Dr Knoedel Engineering Consultants, Germany) , Prof. Ivan Lukačević (University of Zagreb, Faculty of Civil Engineering, Croatia)

Fatigue Performance of High-Strength Bolted Joints Affected by Pre-Loading Decrease
A. Milone * , R. Landolfo
Anisotropic Fracture Behaviour of Hot Rolled Structural Steel
D. Obkircher * , M. Costas , D. Morin , A. Clausen
Low-Cycle Fatigue Behaviour of Bolted Shear Connectors in Sustainable Composite Structures
F. Mashiri *
Full-Scale Fatigue Tests on an Entire Railway Bridge – Challenges to Provide Realistic Behaviour and Large Fatigue Cracks
H. Unterweger * , C. Derler
Fatigue Design of Cold-Formed Thin-Walled Z-rails Subjected to Concentrated Load
M. Vermeylen * , M. Bezas , H. Morch , K. Ginckels , J. Demonceau
Coupled effects of strain rate and stress state on the ductility of structural steel, weld and HAZ
S. Yan * , Y. Wei , T. Ma , X. Zhao
Experimental Quantification of High-Strength Bolt Fracture Uncertainty under Varying Loading Rates
Z. Ding * , A. Elkady
Evaluating The Impact of Multiaxial Fatigue On The Integrity of Automated Storage System Rails
J. Esnaola , A. Elkoro , M. Ezkurra , J. Larrañaga , I. Ulacia *

Tue, 09/09/2025
16:00 - 18:00
A4
TD2_D.3

TD2_D.3 Joints and Connections V

Chaired by: Prof. Luis Simões da Silva (University of Coimbra, Portugal) , Prof. Rosario Montuori (University of Salerno, Italy)

Experimental Study of Moment Resisting Lap Connections of Trapezoidal Sheeting
D. Machačová * , M. Jandera
Analytical Investigation of a Novel Joist-to-Stud Web Connection in Light Steel Framed Buildings
S. Shakeel , I. HAJIRASOULIHA * , S. MOJTABAEI , B. DAVISON
Behaviour of Screw Fasteners in Cold-Formed Steel Stud-to-Sheathing Connections
K. Panchamoorthy * , M. Madhavan
Closed Form Prediction Of The Deformation Capacity Of Bolted T-stubs
A. Francavilla * , M. Latour , G. Rizzano , J. Demonceau , A. Neutelers
Experimental investigation of the ultimate and service shear strength of the bolted clip-angle connector in a CFS beam-to-column connection
R. Madheswaran * , N. Mallepogu , M. Madhavan
Apex Joints between Rectangular Hollow Secions with Self-Drilling Screws
A. dos Santos Garcia * , I. García García , C. López-Colina Pérez , M. Serrano López , F. López Gayarre
Cyclic response of Moment Resisting joints for tubular structures with passing-through beams
M. Latour * , A. Sato , A. Ajwad , S. Di Benedetto , G. Rizzano

Tue, 09/09/2025
16:00 - 18:00
A2 + A3
TD2_B.3

TD2_B.3 Members and Frames II - TC8

Chaired by: Prof. Bert Snijder (Eindhoven University of Technology, Netherlands) , Prof. Richard Stroetmann (Technische Universität Dresden, Germany)

General Formulation for the Buckling Resistance of Uniform and Non-Uniform Slender I-section Beams
J. Ferreira Filho * , L. Simões da Silva , T. Tankova , H. Carvalho
Bending-Shear Interaction Strength of Corrugated Web Beams Using HSS
T. Pap * , B. Jáger , B. Kövesdi
Numerical Analysis of the Stability Behaviour of Castellated Members and Comparison to Regular Hot-Rolled Profiles
J. Betken * , A. Bours , M. Knobloch
Eurocode 3 Technical Report on Elastic Critical Buckling of Members
B. Snijder * , R. Stroetmann , I. Baláz
Shear Buckling Resistance of Continuous Steel Beams with Thin Webs
G. Hajdú * , H. Pasternak
Calibration of Equivalent Imperfections for Second Order Theory Analysis of Hot-Rolled U-sections
S. Ibáñez * , C. Moscoso , M. Kraus
On the Non-linearity and Time and Temperature Dependence of the Torsional Restraint provided by Sandwich Panels
I. Balázs , A. Belica , J. Lange , T. Misiek *
Stability verification of frames with web tapered members and slender sections
C. Couto * , R. Trigo , P. Vila Real , P. Márai

Tue, 09/09/2025
20:00 - 23:59
Estació de França

Congress Banquet

Wed, 10/09/2025
08:00 - 09:00
Hall Auditorium
REG_D3

REG_D3 Registration

Wed, 10/09/2025
09:00 - 09:30
Auditorium WTC
KNV

KNV Keynote V

Main Organizer: Prof. Helena Gervasio (University of Coimbra, Portugal)

Chaired by: Prof. Leroy Gardner (Imperial College London, United Kingdom) , Prof. Jose Adam (Universitat Politècnica de València, Spain)

From Cradle to Cradle: life cycle thinking in the design of structures
H. Gervasio *

Wed, 10/09/2025
09:30 - 10:00
Auditorium WTC
KNVI

KNVI Keynote VI

Chaired by: Prof. Leroy Gardner (Imperial College London, United Kingdom) , Prof. Jose Adam (Universitat Politècnica de València, Spain)

Stability and the United States - What Are We Doing?
D. Linzell *

Wed, 10/09/2025
10:00 - 10:30
Hall Auditorium
CBM_3

CBM_3 Coffee Break

Wed, 10/09/2025
10:30 - 12:30
Auditorium WTC
TD3_A.1

TD3_A.1 Plates and Shells I

Chaired by: Dr. Balázs Kövesdi (BME, Hungary) , Prof. Ulrike Kuhlmann (University of Stuttgart, Germany)

On the integrated shear strength of corrugated web composite girders
T. Pap * , J. Sajti , B. Jáger
Patch Loading Resistance of Stainless Steel Corrugated Web Girders
C. Graciano * , E. Casanova , M. Al-Emrani , M. Amani , M. Flansbjer
Numerical investigation into the axial load bearing behavior of corrugated steel tanks
M. Mott , A. Jäger-Cañás *
Application of the RRD Concept from Shell Buckling to Plate Buckling Problems
R. Timmers * , R. Lang
Numerical Study on Steel Plate Girders – Minimum Bending Rigidity of Intermediate Transverse Stiffeners
S. Nascimento * , J. Oliveira Pedro , U. kuhlmann
Introduction to the SLiCE Method – A Strain-Limited Design Approach for Plated Steel Sections
P. Studer , A. Taras *
Shear Resistance of Stainless Steel I-Girders with Corrugated Web
G. Hajdú * , I. Cserpes
Experimental and numerical investigation of welded hybrid steel box-section girders
B. Somodi * , E. Bärnkopf , B. Kövesdi

Wed, 10/09/2025
10:30 - 12:30
A1
TD3_C1

TD3_C1 Members and Frames III

Chaired by: Dr. Manuel Buitrago (Universitat Politècnica de València, Spain) , Prof. Markus Knobloch (University of Stuttgart | Institute of Structural Design, Germany)

Second-Order Effects on EBF Yielding Links: New Design Equations for Overstrength and Capacity
P. Mortazavi * , C. Christopoulos , O. Kwon
Single Angle Columns Connected Through the Leg – Stability and Design Assessment
A. Simonetto Pessutto * , H. Martins Gomes , E. Mesacasa Junior
Component Testing of Buckling Restrained Braces (BRB) Using Steel-Mortar Planks
S. Guntepe * , O. Koz , T. Onal , G. Arakawa , N. Ahmadullah , O. Celik
Bimoment influence on the Lateral-Torsional Buckling of Isolated beams
M. Simoncelli * , A. Pisapia
Bimoment Inflence on The Design of Steel Elements according to the European Standards
M. simoncelli *
Retrofitting of an industrial steel hall roof truss
H. Köber *
New GBT formulation for the stability analysis of thin-walled cylinders
M. Nedelcu *
Current AISC Design Provisions Applied to High-Strength Steel Columns – Preliminary Results
S. Quayyum , C. Ziemian , E. Wolford-Tuffy , R. Ziemian *

Wed, 10/09/2025
10:30 - 12:30
A4
TD3_D.1

TD3_D.1 Seismic Design I

Chaired by: Prof. Riccardo Zandonini (University of Trento, Italy) , Prof. Aurel Stratan (Politehnica University Timisoara, Romania)

Design Regulations of Buckling Restrained Braces With Steel Encasement
B. Serin , M. Bozkurt *
Alternative Seismic Design for six Storey Concentrically Braced Frames
H. Köber *
Seismic Performance of Buckling Restrained Braced Frames Designed Using European and Japanese Approaches
D. Iosim * , A. Stratan , A. Sato
The Influence of the Force Distribution on the Seismic Design of MRFs by TPMC
R. Montuori , E. Nastri , V. Piluso , F. Fabbrocino , A. Pisapia *
Cyclic Behaviour and Failure Mechanisms of Cold-Formed Steel Shear Wall Sheathed with Plywood
K. Panchamoorthy , M. Madhavan *
Inelastic Seismic Response of Ancillary Elements in Multi-Storey Steel Moment Frames
X. Ding , M. Liapopoulou , A. Elghazouli *
Seismic Demands on Large-Scale Steel Jacket-Supported Offshore Wind Turbines
Z. Khalil , P. Stafford , A. Elghazouli *
Evaluation of Seismic Performance for High-rise MiC Buildings with Reinforced Concrete Structural Walls
P. Tian * , C. Wang , T. Chan , A. Elghazouli
Experimental response of friction-based dissipative braces for steel seismic-resilient concentrically braced frames
E. Elettore , A. Francavilla , S. Di Benedetto , M. Latour * , F. Freddi , G. Rizzano

Wed, 10/09/2025
10:30 - 12:30
A2
TD3_B.1a

TD3_B.1a Digitalization and AI

Chaired by: Dr. Filip Ljubinkovic (ISISE, University of Coimbra, Portugal) , Dr. Carlos Couto (Universidade de Aveiro, Portugal)

Design Suggestions of I-Shaped Knee Connections with Conditional Variational Autoencoder (CVAE)
A. Müller *
LTX – Explained machine learning models for the fire resistance of trusses made of L, T and X sections
L. Possidente , C. Couto *
Reliability Assessment of Welded Beam-to-Column Joints Using Physics-Informed Neural Networks
F. Ljubinković * , A. Silva de Carvalho , J. Conde Conde , L. Simões da Silva
Practical Optimized Trusses via a Combined Ground Structure Approach and Metaheuristic Algorithms
D. Dalton * , J. Becque
Quantifying Steel Deck Imperfections Using LiDAR and Photogrammetry
R. Rakhee , J. Naw , H. Blum *
MATCHFEM: A Tool for Automating Steel Structures Digital Design for Construction and Digital Life.
R. Chacón * , H. Posada , C. Ramonell
Machine Learning-Based Sensitivity Analysis of Geometric and Material Variables of Speed-Lock Beam-to-Upright Connections
M. Calispa * , D. Santamaria , B. Alberdi , A. Iñurritegui , A. Oyanguren , J. Larrañaga , I. Ulacia

Wed, 10/09/2025
10:30 - 12:30
A3
TD3_B1b

TD3_B1b Fire Design

Chaired by: Dr. Ana Espinós Capilla (Universitat Politècnica de València, Spain) , Prof. Nuno Lopes (University of Aveiro, Portugal)

Resistance of Trapezoidal Sheeting in Fire
A. Chovanec * , M. Jandera
Numerical investigation on the fire performance of Concrete Encased Steel composite columns with high strength materials
J. Li * , D. Medall , A. Espinós , M. Romero
Experimental and Numerical Study on Shear Buckling of Composite Plate Girders in Fire
M. Numanovic * , M. Knobloch
Numerical study of the global behaviour of carbon and stainless steel three-dimensional frame structures under fire conditions
N. Lopes * , D. Almeida , P. Vila Real
Post Fire Compression Capacities of Cold Formed Steel Omega Shaped Stub Columns
P. Reddy * , J. Pancheti
Fire and Post Fire Behaviour of Cold Formed Steel Built-up Beams
P. Reddy , J. Pancheti *
Computational study of steel-timber composite beam under fire condition
C. Ferreira , J. Rocha Segundo , R. Silveira * , Í. Lemes , D. Pires , R. Barros
GMNIA with strain limits based fire design of stainless steel beams
S. Suman , M. Kucukler *

Wed, 10/09/2025
12:30 - 13:30
Hall Auditorium
LB_3

LB_3 Lunch Break

Wed, 10/09/2025
13:30 - 15:30
A1
TD3_C.2

TD3_C.2 Members and Frames IV

Chaired by: Dr. Fiona Walport (University College London, United Kingdom) , Prof. Ron Ziemian (Bucknell University, United States)

Structural Behaviour of Stainless Steel Tubular Columns Under Flexural Buckling
M. Meszaros * , L. Lima , A. Tenchini , M. Rodrigues
Strenghtening of Steel I-Beams Using Batten Plates Under Existing Load
K. Wierzbicki *
Studies of Through-thickness Residual Stress in Welded Cruciform Specimens
J. Zhou * , K. Rasmussen
Elastic Buckling of Columns in Cold-Rolled Aluminium Built-Up Section Portal Frames
H. Nguyen , C. Pham * , K. Rasmussen
Buckling Resistance of Bolted Steel Angles-Numerical Study and Design Rules
S. Antonodimitraki * , P. Thanopoulos , I. Vayas , J. Maesschalck , J. Demonceau
Improved Design of Tubular Truss Members with Reduced Stiffness Method, Accounting For Joint Rigidity
T. Zwolinski *
Hybrid Steel I-girders: Cross-section Behaviour and Moment Redistribution Capacity
S. Chen * , J. Liu , T. Chan
A Comparison of Eurocode and AISC Stability Analysis Methods for Practical Steel Design
A. Parkinson *

Wed, 10/09/2025
13:30 - 15:30
Auditorium WTC
TD3_A.2

TD3_A.2 Plates and Shells II

Chaired by: Prof. Giovanni Garcea (University of Calabria, Italy) , Prof. Laszlo Dunai (Budapest University of Technology and Economics, Hungary)

Shear Force Resistance of Plate Girders with Trapezoidally and Sinusoidally Corrugated Webs and Reinforced Circular Web Openings
J. Wang * , Z. Li , M. Euler
Buckling Behaviour of Unstiffned Panels of High-Strength Steel Grades S460 and S700
R. Arnold * , M. Kraus , Y. Ali , S. Eichler , J. Hildebrand , J. Bergmann
Increasing the Buckling Capacity with Modal Geometric ‘‘Imperfections’’
D. Magisano * , G. Garcea
Numerical Recalculation of Experimental Tests on Diagonally Stiffened Steel I-girders
S. Zoubek * , F. Ljubinković , J. Martins
Thin-Walled shells under External Pressure – Towards a Stable Postbuckling State
P. Knoedel * , T. Wacker
Simplified Approach for Equiv. Geom. Imperfections to Determine Plate Buckling Load-Bearing Capacity
L. Schönfeld * , C. Ludwig
Recommendations for FE Modelling of Plate Buckling
C. Ludwig * , L. Schönfeld

Wed, 10/09/2025
13:30 - 15:30
A4
TD3_D.2

TD3_D.2 Seismic Design II

Chaired by: Prof. Ahmed Elghazouli (Imperial College London, United Kingdom) , Prof. Massimo Latour (University of Salerno, Italy)

Shear Performance of Sheathed LSF Walls
N. Baldassino , S. Girardi , R. Zandonini * , P. Cassese
The Effects of The New Eurocode 8 Provisions on The Seismic Performance of Steel MRFs
B. Boloș , A. Stratan *
Numerical Study of the Seismic Performance of Cold-Formed and Hot-Rolled Steel Hybrid Modular Wall Panel Systems
T. Balasubramaniam * , A. Kumar , M. Dar
Seismic Performance Assessment of CFS Strap-Braced Walls With Optimized Sections
M. Cosut , S. Shakeel , S. MOJTABAEI , I. PAPARGYRIOU , I. HAJIRASOULIHAa *
Seismic Behavior and Stability of Multi-Story Volumetric Modular Buildings: Comparison Between Concentrically Braced Frames and Reinforced Concrete Shear Walls
A. Rafiee * , E. Bazarchi , A. Davaran , C. Lamarche
Dynamic Analysis of Pallet Rack Structural Members with Point-Masses by means of the Generalized Beam Theory
I. López-Rull * , J. Bonada , O. Bové , M. Casafont
TPMC Design of gravity load-governed and seismic-governed Moment Resisting Frames
R. Montuori , E. Nastri , V. Piluso , C. Scafuri *

Wed, 10/09/2025
13:30 - 15:30
A2
TD3_B.2a

TD3_B.2a Reuse and Retrofitting

Chaired by: Prof. Helena Gervasio (University of Coimbra, Portugal) , Prof. Viorel Ungureanu (Politehnica University Timisoara, Romania)

Innovative Column Splice for Circular Steel Construction
A. Neutelers * , L. Duchêne , J. Conde Conde , L. Da Silva , F. Ljubinkovic , C. Odenbreit , J. Demonceau
Advanced Nonlinear Analysis Of the Stability Of A Retrofitted Cold-Formed Steel Portal Frame: A Comparison Of Traditional And Detailed Modeling Approaches
A. Chira * , J. Nseir
Carbon Footprint of Wire Arc Additively Manufac-tured Optimized Structural Steel Element
L. Arrè * , E. Pagone , V. Laghi , F. Martina , M. Palermo
Assessment Of Reuse And Retrofit Potential For A Cold-Formed Steel Structure: A Case Study From Fribourg, Switzerland
P. Colomer * , J. Nseir , L. Schulthess , T. Jusselme , N. Grandjean , A. Chira
System reliability of steel buildings for different reference periods
I. Arrayago , A. Milón , M. Bado , E. Real
Effect of corrosion on the cross-sectional resistance of reclaimed H-sections – a sensitivity analysis
M. MASOOMZADEH * , A. Beyer , M. Couchaux
Reliability assessment of a warehouse built from reclaimed steel members
I. Arrayago , C. Rega , E. Real , E. Mirambell
Advanced Nonlinear Analysis And Life Cycle Assessment Of A Retrofitted Steel Portal Frame For Continued Use
J. Nseir , L. Schulthess , T. Jusselme , A. Chira *

Wed, 10/09/2025
13:30 - 15:30
A3
TD3_B.2b

TD3_B.2b Bridges

Chaired by: Prof. José Joaquim Costa Branco de Oliveira Pedro (Instituto Superior Técnico, Portugal) , Dr. Craig Quadrato (Wiss, Janney, Elstner Associates, Inc. , United States)

Evaluation of Modelling-Dependent Action and Resistance Sided Uncertainties for Composite Girder Bridges
S. Martinolli * , A. Taras
Analysis Of The Behavior Of The Veveyse Bridge Under Impact Of Massive Rockslides: A Practical Case Study
S. Ismail * , J. Nseir , F. Kaddah
Direct resistance check of cross-girders in steel bridge under reconstruction
B. Kövesdi * , D. Kollár , L. Dunai
Out-of-Plane Stability of CFST Parabolic Arches
L. Cong , Y. Geng , N. Albo * , I. Mascolo , F. Guarracino , G. Della Corte
Temperature Measurements During Asphalt Paving on a Bridge with Orthotropic Deck
M. Ltaief * , P. Stangl , M. Mensinger
Robustness of Ageing Steel Bridges
J. Reyes-Suárez , M. Buitrago * , C. Lazaro , B. Barros , J. Adam
Durability of Modular Bridge Expansion Joints for Road Bridges
B. Brune , M. Diener * , D. Ungermann

Wed, 10/09/2025
15:30 - 16:00
Auditorium WTC
WC

WC Closing Ceremony

SDSS 2025

Programme