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Earth gets water in the form of rain. The construction of pavements by using Bitumen and Concrete covers the soil surface which restricts the rain water from infiltration and ground recharge and also results in flooding. Pervious concrete is a special type of concrete which allows water to percolate through it, pervious concrete is a mixture of Cement and Aggregates, fine sand is not used for mix preparation, so also called as ‘No Fine Concrete’. The percentage of voids in pervious concrete can vary from 15% to 40% due to which it allows rain water to infiltrate, increases ground water recharge and also decreases flooding possibilities. The main disadvantage of pervious concrete is its low strength which restricts its applications in areas where high load carrying capacity is required in this project poly vinyl alcohol (C2H2OH) and poly vinyl acetate (C4H6O2) is used to check the effect on compressive strength of pervious concrete.

Enhancing the Strength of Pervious Concrete by Using Poly Vinyl Alcohol and Poly Vinyl Acetate