1. Institute of Structural Engineering Steel and Composite Structures, ETH Zurich Stefano‐Franscini‐Platz 5 8093 Zurich Switzerland
2. &structures Friedrichstrasse 33 80801 Munich Germany
3. Institute of Structural Mechanics and Design TU Darmstadt Franziska‐Braun‐Strasse 3 64287 Darmstadt Germany