Development of Design Procedures for Timber Concrete Composite Floors in Australia and New Zealand - Part 1: Design Methods

Publisher:
Karlsruhe Institute of Technology
Publication Type:
Journal article
Citation:
Crews Keith and Gerber Christophe Daniel 2010, 'Development of Design Procedures for Timber Concrete Composite Floors in Australia and New Zealand - Part 1: Design Methods', , Karlsruhe Institute of Technology, Germany, , pp. 43-7-5-1-43-7-5-13.
Issue Date:
2010
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Timber concrete composite (TCC) floor systems are relatively new to Australia and New Zealand and satisfactory performance requires a rigorous design procedure addressing both ultimate and serviceability limit states. TCC structures have a degree of complexity since they combine two materials that have very different mechanical properties and respond in different ways to their environment. Furthermore, most TCC structures exhibit partial (not full) composite action and this adds to the complexity of the system. Several design procedures are discussed in the literature. Amongst these, the Eurocode 5 (EC5) procedure is relatively straightforward and has been successfully implemented in Europe. It utilises a simplification for modelling the complex timber - concrete interaction known as the "Gamma coefficients" method, which manipulates properties of the concrete member in order to predict the cross-section characteristics of the structure. The details of this research are presented in two papers. Part 1 deals with design procedures, whilst Part 2 discusses and extensive R&D program of connection testing and the derivation of characteristic properties.
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