Abstract

This paper utilises the strut and tie method, recommended in the AS3600–2001 concrete structures code<sup>1</sup> to develep a corbel design chart for 20 to 100MPa concrete. The method encompasses a trial and error procedure to determine the amount of tension reinforcement required in a corbel to resist the anticipated loading. Relevant design constraints from various major design codes are highlighted and a modified efficiency factor is used to enable the chart to be used for concrete strengths up to 100MPa. The results of recent research are used to ascertain the adequacy of the design charts developed. The chart provides a useful tool for designers by eliminating the need for an iterative design procedure, enabling the direct design of concrete corbels to take place.

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