The Effect of Shear Crack Geometry on Aggregate Interlock Action in Reinforced Concrete

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• Hasini Weeransinghe, Department of Engineering, University of Cambridge
• Friday 20 November 2020, 15:20-15:40
• Zoom (email structures-admin@eng.cam.ac.uk for link).

If you have a question about this talk, please contact Dr Maria Marques de Carvalho.

A shear crack in an RC beam undergoes a load sharing stage where aggregate interlock is dominant only in a particular segment at an angle near the mid-portion. However, one of the challenges is that, this estimation of the aggregate interlock contribution is highly dependent on the shape of the critical shear crack. Therefore, a thorough study is required to determine the crack shape firstly on the measured cracking patterns and subsequently on predicting the expected cracking pattern. This talk illustrates the sensitivity of aggregate interlock action on simplified and higher order shear crack geometries to assess the best ways of idealising the shear crack such that it could be adapted in analytical tools.

This talk is part of the Engineering Department Structures Research Seminars series.

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