The Dutch and Belgian National Groups of IABSE organize this seminar together. Twice a year, in the spring and in September (main Congress), IABSE organizes international symposia on a structural engineering theme in different parts of the world, which attracts more than 500 structural engineers worldwide.

This seminar consists of a selection of the Dutch and Belgian contributions to the 20th Congress of IABSE on site at New York City, 2019 with the theme The Evolving Metropolis. The seminar consists of presentations as on the following topics: fatigue assessment, orthotropic deck, hydraulic structures, accidents and calamities, durability existing structures, composite, GFRP, roof, structural behaviour, safety, failure, digital technology, parametric design, BIM..