Irregular or Partly Rounded

Elongated Round Aggregate PictureThe aggregate with irregular shape has higher percentage of voids ranging from 35 to 37%. It gives lesser work-ability than rounded aggregate for the given water content. Water requirement is higher and hence more cement is needed for constant water cement ratio. The interlocking between aggregate particles is better than rounded aggregate but not adequate to be used for high strength concrete and pavements subjected to tension.

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