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Use of Composite Timber-concrete Floors in Residential Buildings

by B. H. Ahmadi, Univ of Bahrain, Bahrain,
M. P. Saka, Univ of Bahrain, Bahrain,



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

Timber-concrete floors are widely used in the Gulf region for its resistance to hot and aggressive environment of the area. However, due to the fact that no shear connector is provided, both timber joist and concrete slab work independently. In this study, relatively inexpensive high strength nails are used as shear connectors so that the timber joists and concrete slab resist the loads as a composite section. The composite timber-concrete floor system was tested under static short term loading and long term sustained loading. The load-deflection behavior was also verified by a finite element analysis. The experimental as well as numerical results have shown that it is possible to achieve a significant reduction in the number of timber joists, stiffer floor system, and longer spans, while attaining the same receptivity to a hot and aggressive environment.

Subject Headings: Floors | Finite element method | Wood and wood products | Concrete slabs | Wood structures | Residential buildings | Load tests

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