Influence of Construction Details on the Vibration Performance of Cold-Formed Steel Floor Systems
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Vibrations associated with lightweight floor systems, as a serviceability criterion, are not well addressed in current residential construction practice. Cold-formed steel floor systems are usually lighter and have less inherent damping. If designers are going to use the current span deflection criteria when designing residential floor systems, it is imperative to find the construction and design details that will limit these annoying vibrations in cold-formed steel floor systems. Presented in this seminar are the results from a recent laboratory study and field study on the vibration characteristics of cold-formed steel floors performed at the University of Waterloo. Several full-scale floor systems with varying construction and design details were constructed and tested, and several in situ floor systems were tested. The objectives of this research were: to evaluate the dynamic response of residential floor systems supported by cold-formed steel joists; to investigate the influence of span length, joist types, subfloor materials, toppings, ceilings, strongbacks, live loads and framing conditions on the vibration characteristics of cold-formed steel floor systems; to identify the critical construction details that will limit annoying floor vibrations; to compare the vibration characteristics of in situ floor systems and laboratory constructed floor systems; and to evaluate the vibration performance of laboratory and in situ floor systems based on current acceptability criteria.
Cite this work
Brian William Davis (2008). Influence of Construction Details on the Vibration Performance of Cold-Formed Steel Floor Systems. UWSpace. http://hdl.handle.net/10012/3754