Abstract
AbstractPervious concrete is widely regarded as permeable concrete and has a significant impact on the environment. The strength of pervious concrete largely depends on coarse aggregate due to the absence of adequate fine aggregate. This paper delineates the impact of coarse aggregate gradation on the mechanical properties of pervious concrete. Four different coarse aggregate gradations of 10–4.75, 12.5–10, 12.5–4.75 and 12.5–2.36 mm were used to prepare the pervious concrete mixes. In addition, the amount of fine aggregate is also varied for the above gradations to suggest the optimum mix. The prepared mixtures were tested for compressive strength, flexural strength and permeability. The permeability of the specimens was evaluated as per the procedure described in IRC: 44. The comparative analysis between the above mentioned gradations regarding the mechanical properties is also discussed.KeywordsPervious concreteCoarse aggregate gradationFine aggregateMechanical propertiesPermeability
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