The evaluation of composite floor vibration frequencies

Ioan Petru Ciongradi, Vasile-Mircea Venghiac

Abstract


Nowadays structural engineers are facing a significant challenge to develop lighter and economical composite steel-concrete floor systems. This trend increases the number of problems, some of which involve unwanted floor vibrations. This is a very frequent phenomenon encountered in a wide range of structures subjected to rhythmic or un-rhythmic dynamic actions. This article presents two composite flooring systems and an evaluation of their natural frequencies.

Keywords


composite slab; composite beam; Slimdek; ComFlor; frequency of vibration; dynamic behaviour

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References


Better value in steel – Composite flooring – floors using steel decking, The Steel Construction Institute, 2001;

Composite Flooring Systems: Sustainable construction solutions MCRMA, 2003;

Eurocode 4: Design of composite steel and concrete structures, Part 1-1: General rules and rules for buildings, December 2004;

Hicks, S. J., Lawson, R. M., Rackham, J. W., and Fordham, P., Comparative structure cost of modern commercial buildings – Second Edition, The Steel Construction Institute, 2003;

Slimdek Manual, http://www.corusconstruction.com;

T. M. Murray and D. E. Allen and E. E. Ungar, Floor vibrations due to human activity, Steel Design Guide Series, American Institute of Steel Construction, 1997.


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