Shear Behaviour in Reinforced Concrete Beams: Mechanisms, Failure Modes, and Predictive Models: A Review
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Abstract
Shear failure in reinforced concrete beams is considered a significant challenge due to its unpredictable nature and severe consequences. This review aims to study the shear behaviour and design prediction for reinforced concrete beams by conducting a comprehensive analysis of previous studies that have investigated the shear behaviour of reinforced concrete beams. The review examines shear mechanisms and their effects on reinforced concrete beams. It specifically focuses on the influence of aggregate interlock, dowel action, and arch action on the shear behaviour of these beams. In addition, the paper discusses cutting-edge testing methodologies and simulation modelling, such as digital image correlation and analytical models, that provide a more profound understanding of shear transfer activities and failure modes. The research also highlights the key elements that substantially impact shear behaviour, including longitudinal reinforcement, shear span-to-depth ratio (a/d), and beam size. The research analysed the advantages and disadvantages of current researches, highlighted areas where knowledge is lacking, and evaluated some design code predictions.
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References
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