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Concept of Green Concrete Using Construction Demolished Waste As Recycled Coarse Aggregate

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Author(s): Prof. Chetna M Vyas1 , Prof. (Dr.) Darshana R Bhatt

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 7;
Start page: 3160;
Date: 2013;
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Keywords: Recycled coarse aggregate | Recycled coarse aggregate concrete | compressive strength | workability | Green Concrete.

ABSTRACT
The use of Recycle product is increasing with innovation in present scenario. The utilization of waste product in the manufacturingof new product is a challenging job. The Natural Resource decreases in a short period and therefore the use of waste product is necessary. There are a number of old buildings and structures are demolished today. The reuse of that demolished debris is a good solution to the problem of an excess of waste material. The studies on the use of recycled aggregates have been going on for few years.Aggregates play important role in strength characteristic of concrete. This paper focuses on the possibility of the use of recycled coarse aggregate concrete as a new structural material.For that purpose a literature survey for use of recycled aggregate concrete is studied.Recycled coarse aggregate (RCA) obtained from crushed concrete rubble and different demolished work. Instead of being stored, it can be reused in the building industry.Recycled aggregates are comprised of crushed, graded inorganic particles which are obtained from demolition debris. The aim of this research project is to determine the strength characteristic of recycled coarse aggregate concrete by using different percentage of recycled aggregates in M45 Grade.The results with 40% use of recycled coarse aggregates give workable, strong and green concrete.

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