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Question:
Published on: 30 June, 2022

State the effect of shape and size of aggregate on strength of concrete.

Answer:

Shape of aggregate on strength of concrete:- The shape of aggregate influence workability in good measure. The importance of shape of the aggregate will be of great significance in the case of present day high strength and high performance concrete when we use very low w/c in the order of about 0.25.

Size of aggregate on strength of concrete :- The bigger the size of the aggregate the less is the surface area and hence less amount of water is required for wetting the surface and less matrix or paste is required for lubricating the surface to reduce internal friction

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