An Experimental Analysis of Pervious Concrete Side Drains to Avoid Urban Water Logging

Abstract

Pervious concrete (no-fines concrete) is a concrete containing little or no fine aggregate; it consists of coarse aggregate and cement paste. It seems pervious concrete would be a natural choice for use in structural applications in this age of 'green building'. It consumes less raw material than normal concrete (no sand), it provides superior insulation values when used in walls, and through the direct drainage of rainwater, it helps recharge groundwater in pavement applications. The first pervious concrete has been used in Europe and the United Kingdom since1930s for the building of single story and multistory houses, but had found little acceptance in rest of the world. In recent years, however, due to increased awareness of the need for conservation of nonrenewable mineral resources, increased consideration is being given to the use of yet widely used in Sri Lanka, pervious concrete is generally used for light-duty pavement applications, such as residential streets, parking lots, drive ways, sidewalks , channel lining, retaining walls and sound walls. .Main objective of pervious concrete are :-1. To help restore ground water supply. 2. Reduce pollution of coastal water; 3. To pave parking.•Recharge ground water table. 4. Reduces runoff water 5. Reduces risk of flooding and topsoil wash away.