M atthias Winkler

University Of Apllied Sciences - Munich, Munich, Germany

2021: Graduation: M. Eng. civil engineering (focus: steel structures), University of Applied Sciences Munich since 2021: Research assistant at the Institute for Material and Building Research, University of Applied Sciences in Munich


Crane runway girders are subjected to cyclic loading and must therefore be designed against fatigue failure. For existing structures, however, there are no standards for handling pre-damaged components at the end of their calculated lifetime. The university of applied sciences in Munich examines different approaches on how to deal with existing welded steel structures. The research project addresses the following questions:

How can pre-damaged components without visible cracks be strengthened?

How can components with visible cracks be repaired in a fatigue-proof manner?

How can pre-damaged components be reinforced through a low-notch application of steel lamellas?

In order to answer these questions several numerical and experimental investigations are carried out. Different innovative fastening techniques like lockbolts, adhesives and self-tapping screws for attaching reinforcement lamellas are tested on small and large specimens. Within this paper the research project will be presented and results will be summarized.


Room 8Thursday 30th November13:30-14:00Matthias Winkler
S09-5 Fatigue of assemblies
4 - Life extension of pre-damaged existing crane runway girders
Room 9Thursday 30th November09:30-10:00Matthias Winkler
S09-3 Fatigue of assemblies
104 - Investigation of the Fatigue Strength of Shape Optimized Gusset Plates in Rectangular and Circular Hollow Section K-Joints
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