Lightweight floor structures supported by cold-formed steel joists have a number of advantages compared to conventional construction methods. Among these advantages are the low weight and the high level of prefabrication. This construction method also allows a short construction time and a very high quality which is due to the weather-independent production in the factory. The weakness of this system may be its dynamic behavior. The research at the Technische Universit?t Darmstadt assesses the effects of human induced vibrations on lightweight floor systems to formulate newapproaches to this problem. Experimental investigations in combination with numerical simulation shall be the basis for the development of a dynamically optimized floor structure made of cold-formed steel joists. It is necessary to reduce the dynamic response and increase the performance to get a practice-oriented solution for a broad spectrum of adaptability.
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