Workshop talk: Bridges in the stress test
Switzerland is a land of bridges - many of them were built decades ago. Do these still hold or do they need to be strengthened?
In order to answer this question, Prof. Walter Kaufmann squeezes and presses bridge elements in his laboratory until they break - with a globally unique test facility for concrete at ETH Zurich. This can perhaps help to prevent unnecessary repair of bridges. Because: These are complicated and expensive.
Walter Kaufmann, Professor of Solid and Bridge Construction, talks about this in a new workshop talk: