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History and acoustics of traditional timber joist floor structures
Kalousek, Lubor ; Fišarová, Zuzana
The article is focused on the issue of traditional timber joist floor structures, especially from the end of the 19th century to the first half of the 20th century. In common building practice, we very often encounter these structures in residential buildings that are, or were in the past, the subject of structural changes. Unfortunately, during these interventions, the basic ideas of the original technical solution are not always respected and some physical parameters of building are degraded, of which the requirements of building acoustics will be discussed in particular. However, the problem includes not only the actual composition of timber joist floor structure, but also the floor, which forms an integral whole in interaction with it. The article will describe the principles that were devoted to these types of structures in historical legislative and standard regulations and further in professional literature. The original historical solution will be presented on a practical example. In relation to building interventions in historic timber joist floor structures, current legislative and standard regulations will be described, as well as examples of modern solutions and their limitations.
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