IABSE Webinars

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The Silent Fall: Decoding the Carola Bridge Collapse (Part 1)

 When: 26 June 2026 at 14hrs CET.

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NOTE: This Webinar is being organised by the Italian and the German National Groups of IABSE.

Speakers: Dr. Gregor Schacht, Dresden Univ. of Technology and Marx Krontal Partner (topic: Technical analysis of the Carola Bridge Collapse);             Dr. Gino Ebell, Federal Institute for Materials Research and Testing, Germany (topic: Corrosion mechaniscms and new findings).

Moderators: G.Fanigliulo, and F. Lomurno; Italian NG. Introduction from the Italian NG, Eng. Nadia Zoratto, Vice Chair of NG; and Prof. Geralt Siebert, Chair of German NG.

The sudden collapse of Dresden’s Carolabrücke in September 2024 sent shockwaves through the global engineering community. This webinar delves into the forensic investigations conducted to date, focusing on hydrogen-induced stress corrosion cracking (SCC), material degradation, and advanced monitoring solutions. Leading experts from Germany and Italy will share critical lessons learned and future strategies for aging prestressed concrete infrastructure, offering their collective knowledge for the benefit of the wider engineering community. 

The Silent Fall: Decoding the Carola Bridge Collapse (Part 2)

 When: 3 July 2026 at 14hrs CET.

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NOTE: This Webinar is being organised by the Italian and the German National Groups of IABSE.

Speakers: Eng. Max Fiedler, Marx Krontal Partner (topic: Acoustic Emission monitoring of RC bridges); Eng. Francesca Buttarazzi and Eng. Georgia De Benedetti; Autostrade per I'Italia.

Moderators: G.Fanigliulo, and F. Lomurno; Italian NG. Introduction from the Italian NG, Eng. Nadia Zoratto, Vice Chair of NG; and Prof. Geralt Siebert, Chair of German NG.

This second webinar focuses on advanced monitoring technologies and practical management strategies for aging infrastructure. The session will explore the application of Acoustic Emission (AE) testing in prestressed concrete elements and present Autostrade per l’Italia’s experience in the assessment and management of existing bridge assets. Leading experts will discuss state-of-the-art diagnostic techniques, field applications, and lessons learned from practice, highlighting future strategies for ensuring the safety, durability, and resilience of aging prestressed concrete infrastructure for the benefit of the engineering community.

 

Recent technologies and structures on seismic response control in Japan and the Philippines

 When: 6 July 2026 at 14 hrs CET.

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NOTE: This Webinar is being organised by the Japanese and Philippines National Group of IABSE.

Speakers: Prof. Toru Takeuchi, Institute of Science Tokyo; Prof Tomonori Nagayama; University of Tokyo; and Dr Rodolfo P.Mendoza; Lecturer at De La Salle University, Philippines.

Moderators: Prof. Yukari Aoki, Akita University, Japan; Emeritus Prof. Shunichi Nakamura, Tokai University, Japan.

This webinar presents recent advances in seismic response control, structural monitoring, and resilience-oriented bridge engineering in Japan and the Philippines. Through complementary perspectives from academia and engineering practice, the speakers will discuss how seismic performance can be enhanced through innovative response-control technologies, monitoring-informed assessment, and resilient bridge design. Topics include seismic isolation and response-controlled structures, bridge monitoring and post-earthquake condition assessment, and the evolution of seismic bridge design toward resilience-based approaches. The webinar aims to promote knowledge exchange between Japan and the Philippines and to encourage future collaboration toward safer, more resilient, and rapidly recoverable infrastructure.

The Huangmaohai Link, China

 When: 10 July 2026 at 14-15 hrs CET.

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NOTE: This Webinar is being organised by the eLearning Board and Chinese National Group of IABSE.

Speaker: Lei Zhao, Prof. of Eng., Chief Engineer of the Bridge Department II, CCCC Highway Consultants Co.,Ltd., China

Moderator: PYe Xia, Vice President of Chinese NG, Asso. Prof. Dr. Civil Eng., P.E., Tongji University, China.

Located in the core area of the Guangdong-Hong Kong-Macao Great Bay Area, the Huangmaohai Link serves as the western extension of the Hong Kong-Zhuhai-Macao Bridge. The dominant works of the Huangmaohai Link consist of a three-towered cable-stayed bridge with a main spans of 2×720 meters, and a two-towered cable-stayed bridge with a main span of 700 meters. The main bridge features a design of "hyperbolic single-columned towers with split steel box girders," achieving a harmonious balance between strength and aesthetics. The project introduced vortex-induced vibration (VIV) control measures combining "wind fairing + vortex suppression plates + lower central stabilizer plates", achieving the goal of zero vortex-induced vibration. The project has achieved innovations in multi-towered cable-stayed bridge's structural systems, wind vibration control, industrialized construction, split-girder alignment control, smart construction technologies, and green construction practices.

Challenges and Innovations in Huanghe Sanxia Bridge, China

 When: 17 July 2026 at 14-15 hrs CET.

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NOTE: This Webinar is being organised by the eLearning Board and Chinese National Group of IABSE.

Speakers: Yu Zhu, Ph.D., Professorate Senior Engineer, Chief Engineer of Bridge Engineering Institute, CCCC Second Highway Consultants Co., Ltd., China.

Moderator: Mingming Song, Secretary Generanl of Chinese NG, Ass. Prof. Dr. Civil Eng., Tongji University, China.

HuangHe SanXia Bridge is located in Luoyang City, Henan Province, spanning the Xiaolangdi Reservoir on the Yellow River. It adopts a single-tower suspension bridge with a main span of 510 meters and is the world’s first -anchored loop cable suspension bridge. Facing construction challenges such as deep water in the reservoir area, steep terrain, and high environmental protection requirements, the project has achieved multiple technological innovations, including the layout of loop cable restrain system and prefabricated strands coiled in a folded manner, a shallow overburden-type anchorage suitable for complex terrain, and a main girder constraint system for dual vibration reduction. These innovations provide a new technical paradigm for bridge construction in complex canyon areas with high environmental protection demands.

The Growth of Structure: Structural Innovation in the Yibin Yiyun Digital Art Centre, China

  When: 31 July 2026 at 14-15 hrs CET.

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NOTE: This Webinar is being organised by the eLearning Board and Chinese National Group of IABSE.

Speakers: Shixing Zhao, Professorate Senior Engineer, Chief Eng., Sichuan Provincial Architectural Design and Research Institute Co., Ltd, China.

Moderator: Xinzheng Lu, Professor, Delegate of Chinese NG, Prof. Dr. Civil Eng., Tsinghua University, China.

Embedded between a preserved hillside and bamboo groves in Yibin’s High-Speed Rail New District, the Yibin Yiyun Digital Art Centre is conceived as a structure emerging from the landscape. Bamboo shoots and shifting bamboo shadows are developed into an architectural and structural language that integrates form, circulation, structural logic and environmental response. The structural scheme combines a curved steel gridshell with a reinforced-concrete core. Rationalised from the façade geometry, the gridshell is formed from spatially curved and twisted rectangular hollow-section steel members, contributing to the gravity load path, torsional stiffness and global stability. With the core and C-shaped shear walls providing the primary lateral resistance, the system enables column-free galleries, a 30.5 m clear-span entrance hall, continuous ramps and a suspended lecture theatre supported by a radial fish-belly transfer truss, with stability and buildability verified through digital analysis and construction sequencing.

Challenges in Design & Construction of Caisson Foundation - Few Case Studies

When: 4 September 2026, 14:00 - 15:30 hrs CET 

Register (Free) online: Click here for registration and further information.

                                                       After registering, you will receive a confirmation email containing information about joining the webinar.

Speakers: Harshavardhan Subbarao, Amitabha Ghoshal, Subrata Basu. Moderator: Alok Bhowmick.

This webinar is based on a presentation by Dr. Harshavardhan Subbarao on the Signature Bridge Caisson Foundation (20 mins), and a lecture by Mr Amitabha Ghosal and Mr Subrata Basu on Vidyasagar Setu Caissons.

This will be followed by a 20 minutes Q&A session. The webinar will start with an introduction by the Chair of IABSE's Task Group 1.11 Mr. Alok Bhowmick on Design & Construction Techniques of Well (Caisson) Foundations.

TG 1.11 mission is to increase awareness about the history of the design and construction of Well Foundation for Bridges, Tall Chimneys, Transmission Towers and other structures, to promote improvement in design practices involving historic/existing structures. 

Speakers: Dr Harshavardhan Subbarao, IABSE President, Chairman, Construma Consultancy Pvt. Ltd.; Mr Amitabha Ghoshal, Advisory Consultant; Mr Subrata Basu, Executive President, Hutni Projekt FM (India) Pvt Ltd.; India.

Moderator: Mr. Alok Bhowmick, Chair, IABSE Task Group TG1.11 on Caissons Foundation; Director, B&S Engineering Consultants, India.https://www.iabse.org/TG1.11

Circular Construction in Steel Structures: The Key Role of Connections

When: 27 November 2026, 14:00 - 15:30 hrs CET 

Register (Free) online: Click here for registration and further information.

                                                       After registering, you will receive a confirmation email containing information about joining the webinar.

Speakers: Luis Simoes da Silva;  Filip Ljubinković; Kristo Mela; Tiago Alves; Alejandro Bernabeu. Moderator: Dolores Pulido.

Steel structures offer a unique advantage for circular construction due to their durability, adaptability, and high potential for reuse and recyclability. However, the practical implementation of reuse strategies presents several challenges, including limited availability of reusable elements, the carbon footprint associated with deconstruction processes, the lack of standardized design rules for reuse, and broader economic and industrial constraints.

Connections play a fundamental role in enabling circularity in steel structures. They are key to facilitating disassembly, adaptability, and reuse, while also representing a significant share of the overall structural cost and complexity.

Building on the experience gained within the European Union-funded CONNECT4C project, this webinar will explore the context and potential of circular construction in steel structures. It will address the key requirements that such systems must satisfy, the challenges associated with their development at the system, component, and connection levels, and present the CONNECT4C project, focused on the development of high-strength, demountable, reusable, and adaptable steel connections.

Speakers: Luis Simoes da Silva, Portugal, University of Coimbra; Filip Ljubinković, University of Coimbra; Kristo Mela, Tampere University, Finland; Tiago Alves, Adao da Fonseca Engenheiros Consultores, Portugal; Alejandro Bernabeu, Bernabeu Ingenieros, Polytechnic University of Madrid, Spain. 

Moderator: Dolores Pulido, Spanish National Group Chair.

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