Abstract
This paper evaluates the two-dimensional (2D) compressive response of a computed tomography (CT) scan image. The image of size 150 × 150 mm has been used in numerical simulation. The CT image consists of realistic structures of the aggregates, mortar, and voids inside the concrete. The effect of the shapes and the distribution of the aggregates and the voids on load carrying capacity have been studied. The numerical results indicate that the concrete modeled as mortar and aggregate has a high nucleation of micro-cracks near the vicinity of aggregates and also high load carrying capacity compared to concrete modeled with voids. Aggregates modeled as a regular shape with the same area and centroid show comparable load carrying capacity with real aggregate shape.
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Kumar, S.V., Dhang, N. (2019). Two-Dimensional Mesoscale Compressive Damage Analysis of CT Images of a Concrete Cube. In: Rao, A., Ramanjaneyulu, K. (eds) Recent Advances in Structural Engineering, Volume 1. Lecture Notes in Civil Engineering , vol 11. Springer, Singapore. https://doi.org/10.1007/978-981-13-0362-3_42
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DOI: https://doi.org/10.1007/978-981-13-0362-3_42
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