Authors
Folke Björk
Professor in Building technology, Department of Civil and Architectural Engineering, KTH – Royal Institute of Technology, Stockholm, Sweden
© 2025 Folke Björk, Rolf Kling, Peter Wipp, Ulf Viktorsson, published by Nordic Concrete Federation
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.