Experimental Conduct on Classified Fine Recycled Aggregate of Construction and Demolition (C&D) Waste as Replacement of Sand

The developing world is increasingly enhancing the vast production of construction and demolition waste. Such wastes are now in use as recycled aggregate. Generally classified as coarse recycled aggregate and fine recycled aggregate, coarse recycled aggregates are now generally used in many fields and applications, whereas fine recycled aggregates are still to be explored to a greater extent. In this paper, the experimental conduct of such fine recycled aggregate in replacement of sand is performed. The recycled fine aggregate from construction and demolition waste is further classified and evaluated as per the secured source. Wastes generated were broadly classified into SPT Waste, brick powder waste, and concrete waste. Consequently, wastes were further analyzed by strength analysis and XRD analysis. The compressive strength was performed with a replacement ratio of 50%, for the comparison of better performance evaluation. The test results obtained concluded that the concrete wastes had better compressive strength in comparison to the other two types of waste, while the brick powder waste yielded a better result than the SPT waste. The compressive strength difference was meager between the brick powder waste and the SPT waste. Classifying wastes and implementing them as recycled aggregate prove that concrete waste is more efficient in comparison to other types of waste and unparalleled in its performance. This paper sheds light on that classification of waste and reusing it as recycled aggregate proves that concrete waste is better in its performance in comparison to the other types of waste and can be further classified.