Strength of Pervious Concrete with Partial Replacement of Sand with Course Aggregate

Pervious Concrete is a unique, light weight concrete with large voids. It is obtained by eliminating No fine Aggregate from Nominal mix. It has low water/cement ratio and low installation cost. These types of concrete helps in increasing ground water table through precipitation. It also helps in reducing heating of the environment as it does not radiate any heat in the atmosphere as normal concrete do. Pervious Concrete also known as permeable concrete is used in the construction of parking areas, pathways, pavement, sports ground, gardens, parks etc. Here, experiment is done to determine the difference in compressive strength and void content in pervious concrete if sand is mixed in the design, in the ratio of 5-10%. It is done to find out at what point maximum strength with good void content would be gained. The Mix Design is prepared by P.P.C and 10-20mm size of aggregate with the changement of water/cement ratio from 0.3 to 0.4 in addition to % age of Ganga river sand. With the changement of water/cement ratio, the strength of sample would be changed.