A Review on Recycled Aggregates for the Construction Industry

The essence of modern development is closely linked with conservation of natural resources by preventing environmental degradation as construction materials are increasingly judged by their ecological characteristics. Concrete, the most versatile material for construction, is playing a significant role in the growth of infrastructural and industrial segments but it has been claimed that concrete is not an environmentally-friendly material due to its destructive resource consuming nature and the possibly severe environmental impact after its use. It will, however, remain the major construction material being used worldwide. In order to study closely and in brief related studies in the field of recycling of hardened concrete or the use of recycled aggregates this literature review was carried out. Recycled aggregates are still not conventionally used in the construction industry but still a lot of work has been done on recycling of hardened concrete and continuous improvements are required to optimize this. Some of the research studies on the properties, uses, shortcomings and behavior of recycled aggregate have also been highlighted.

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