Experimental Investigation on the Influence of Recycled Aggregate on the Durability and Mechanical Properties of Concrete

Akshay Kumar Jain*
NRI Institute of Information Science & Technology (NIIST), Bhopal, Madhya Pradesh, India.
Periodicity:October - December'2023
DOI : https://doi.org/10.26634/jce.13.4.20282

Abstract

Recycled aggregate refers to crushed concrete, mortar, bricks, or asphalt derived from construction debris and repurposed in other building projects. It is obtained by crushing demolished waste to reclaim the aggregate. Over the past few decades, the abundance of Construction and Demolition Waste (C&DW) has increased significantly, leading the concrete industry to incorporate it, thereby reducing the cost of aggregates. The use of C&D waste in construction not only decreases carbon emissions but also facilitates the expansion of the concrete industry without causing harm to the environment. The objective of this study is to analyze the mechanical properties such as compressive strength, splitting tensile strength, flexural strength, and durability properties such as resistance to chloride, carbonation, freeze, and thaw of concrete utilizing recycled aggregate. It is observed that the mechanical and durability behavior of Recycled Aggregate Concrete (RAC) is inferior to that of standard concrete. However, by employing different admixtures and mixing approaches, the desired properties can be achieved. Furthermore, the study indicates that the improvement of mineral admixtures contributes more to enhancing the performance of recycled aggregate than it does to the characteristics of natural aggregate.

Keywords

Construction and Demolition Waste (C&DW), Recycled Aggregate, Natural Aggregate, Waste Materials, Strength, Durability Properties, Concrete.

How to Cite this Article?

Jain, A. K. (2023). Experimental Investigation on the Influence of Recycled Aggregate on the Durability and Mechanical Properties of Concrete. i-manager’s Journal on Civil Engineering, 13(4), 36-46. https://doi.org/10.26634/jce.13.4.20282

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