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Effect of Aggregate Size on Punching Strength of Reinforced Concrete Slabs
This paper reports test results of flat slab cast from micro-concrete and normal concrete subjected to concentric punching shear. Although the punching shear failure mechanism of micro-concrete slabs was very similar to that of normal-concrete slabs, the punching shear capacity is reduced to about 73% due to the reduction in transferred shear stresses across shear cracks by aggregate interlock. Therefore, a shear retention factor of 0.7 is suggested to be applied in estimating the punching shear strength of micro-concrete slabs.
Effect of Aggregate Size on Punching Strength of Reinforced Concrete Slabs
This paper reports test results of flat slab cast from micro-concrete and normal concrete subjected to concentric punching shear. Although the punching shear failure mechanism of micro-concrete slabs was very similar to that of normal-concrete slabs, the punching shear capacity is reduced to about 73% due to the reduction in transferred shear stresses across shear cracks by aggregate interlock. Therefore, a shear retention factor of 0.7 is suggested to be applied in estimating the punching shear strength of micro-concrete slabs.
Effect of Aggregate Size on Punching Strength of Reinforced Concrete Slabs
Applied Mechanics and Materials ; 835 ; 450-454
2016-05-11
5 pages
Article (Journal)
Electronic Resource
English
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