oa Civil Engineer in South Africa - Ductility and moment redistribution in reinforced concrete beams
|Article Title||Ductility and moment redistribution in reinforced concrete beams|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineer in South Africa|
|Publication Date||May 1981|
|Pages||175 - 181|
The paper discusses the relevance of ductility on the moment redistribution capacity of reinforced concrete beams. The parameters which reflect the ductility are identified both from a theoretical point of view and in terms of the stipulations in recent codes of practice. The plastic rotation capacities of a wide range of sections and material strengths are evaluated by calculating the moment-curvature relationships over the complete range of non-elastic behaviour. Comparisons are made with the ductility requirements of two codes and the proposals for calculating the ultimate moment capacity and neutral axis depths specified in the new CEB-FIP code. The paper provides a realistic basis for assessing the theoretical moment redistribution capacity of reinforced concrete beams.
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