Mini-Symposia - EACWE 2025
Mini-Symposia
MS01: Aerodynamic Aspects in Extreme Crossings
MS03: The Second Generation Eurocode on Wind Actions
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Mini-Symposia Abstracts
MS01: Aerodynamic Aspects in Extreme Crossings
Organisers:
Advancements in bridge aerodynamics, material science, and structural design have led to the achievement of long-span bridges exceeding 2 kilometers. As bridge spans continue to increase, the significance of bridge aerodynamics becomes increasingly pronounced. The primary objective of this mini symposium is to explore the aerodynamic challenges encountered by long-span bridges in the design and operational phases, facilitating a more profound comprehension and collaboration among professionals engaged in various large-scale projects worldwide. The following topics would be addressed:
- The role of wind tunnel testing and computational fluid dynamics in understanding bridge aerodynamics.
- Wind-induced vibrations and control measures.
Design considerations for minimizing wind resistance and vortex-induced vibrations.
Design approaches to prevent instability such as flutter and galloping. - Dynamic Response of Long-Span Bridges.
Studying the dynamic behavior of bridges under various wind conditions (complex terrain, skew wind, ground effects, wave effects). - Wind-bridge-vehicle interaction, traffic safety and runnability of long-span bridges.
MS02: Large-span Roofs
Organisers:
One of the main current challenges in building architecture is designing large open spaces which are suited to several activities. Commonly, large open spaces are used for sports arenas, concert halls and meeting rooms. The main problem for these kinds of structures is to cover a large span using the lightest structure possible. Typical large span roofs are constructed using steel truss structures, timber structures and timber grid shells, membrane structures or tensile structures or, in the past, reinforced concrete shells. This symposium is focused on both, existing and new large span roofs. Existing roofs need maintain and retrofitting and the discussion on methodologies and case studies is interesting for research and companies. The discussion on new frontiers in the field of new space structures construction and code recommendation proposals are welcome.
MS03: The Second Generation Eurocode on Wind Actions
Organisers:
Following Mandate M/515 of the European Commission to CEN in 2012, a deep revision of the existing Eurocodes has taken place, which is now bringing to the issuing of the so-called Second Generation Eurocodes.
A draft of the new EN 1991-1-4 on wind actions was prepared by a Project Team of five experts between August 2017 and April 2020, which was then submitted to CEN TC250 to start its long path towards approval. Enquiry stage, including all necessary modifications is scheduled to end in winter 2025, and formal vote should take place in the next fall.
The new document is aimed at filling some of the gaps emerged during twenty years of use of the current version of EN 1991-1-4, also keeping an eye to the progress occurred in the field of Wind Engineering and of the related disciplines.
It is also an aim of the Task Group on Wind Actions under TC250/SC1 to document as much as possible the sources of the material contained in the document, both the new one and that already available in the existing version.
The Mini-symposium is aimed at giving room to the experts that have contributed to the writing of the new document to present key aspects to its potential users.
Organisers
