Use of Demolish Concrete Aggregate in Paver Blocks for Medium Traffic Pavements

Concrete paver blocks are versatile, attractive, cost effective and functional, blocks for construction of pavement if paver blocks are correctly manufactured and laid then paver blocks required very less maintenance. In India as per Indian standard paver blocks can be used for roadways. Paver blocks is divided in different traffic categories by Indian standard i.e. very heavy traffic, non-traffic, Light-traffic, medium traffic and heavy-traffic. Wastes of demolished building is generally used in landfills, these waste contain waste of bricks and concrete. These demolished building wastes which is also known as Demolish Concrete Aggregates are increasing gradually, many engineers are working on these wastes to make it effectively useable. One of best uses of this waste is to use it as a coarse aggregate in concrete. In this project coarse aggregate is replaced by Demolish Concrete Aggregate which contain wastes of concrete from demolished i.e. wastes from beam, column and slab upto 100% at an interval of 10% in M 40 concrete of paver blocks for medium traffic. Demolish Concrete Aggregate which passes from 10mm IS sieve and retained on 4.75mm IS sieve was used. For this project test like compressive strength and flexural test was performed on paver blocks and to evaluate workability of fresh concrete slump cone test was performed. The study indicated that compressive strength, flexural strength and workability of concrete is required but aggregate enough to be used as paver blocks for medium traffic.