Experimental Study on Pervious Concrete

Experimental Study on Pervious Concrete

Author Name : Nithin H S, Lavanya K, Manoj Kumar Y j, Vishwas A P, Bhavyashree B N

ABSTRACT Pervious concrete, also known as porous or permeable concrete, is a specialized type of concrete with a high porosity that allows water to pass through it, thereby reducing runoff and promoting groundwater recharge. The composition typically includes cement, coarse aggregates, and water, with little to no fine aggregates. This results in a network of interconnected voids, Pervious concrete is utilized in various applications, including parking lots, sidewalks, and other light traffic areas, primarily for its environmental benefits such as storm water management, reducing the heat island effect, and improving water quality by filtering pollutants. However, it requires careful design, mixing, placement, and maintenance to ensure its structural integrity and long-term performance. Challenges associated with pervious concrete include potential clogging of the pores and lower strength compared to conventional concrete, necessitating proper site selection and maintenance practices. It is generally made with (cement : aggregate) ratio from 1:4 to 1:6, aggregates generally used are normally of size passing through 20mm and retained on 10mm.The water cement ratio it also varies between narrow range of 0.42 and 0.5. Properties of no fines concrete are tested for 7 days and 28 days strength up to proper curing compressive strength, flexural strength and split tensile strength were performed