(2021): Protection and repair of concrete structures as an important contribution to sustainability. Presented at: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, pp. 183-190.
(2018): Successful Strengthening Concepts of Bridges in Germany. Presented at: IABSE Conference: Engineering the Past, to Meet the Needs of the Future, Copenhagen, Denmark, 25-27 June 2018, pp. 240-247.
Structural Assessment for Bridges in Germany. Presented at: IABSE Conference: Operation, Maintenance and Rehabilitation of Large Infrastructure Projects, Bridges and Tunnels, Copenhagen, Denkmark, 15-17 May 2006, pp. 77-83.
Collapse of Stands due to Crowd-Induced Vibrations. Presented at: IABSE Symposium: Structures and Extreme Events, Lisbon, Portugal, 14-17 September 2005, pp. 26-32.
Monitoring Railway Bridges under Rolling Stock Conditions – A New Tool for Construction Supervisors. Presented at: IABSE Conference: Information and Communication Technology (ICT) for Bridges, Buildings and Construction Practice, Helsinki, Finland, June 2008, pp. 17-24.