Comprehensive Review of Recycled Aggregate Concrete in Construction: Suitability, Properties, and Sustainable Practices

Authors

  • Deepika Patel
  • Harsh Rathore

Keywords:

Comprehensive Review of Recycled Aggregate Concrete in Construction, Suitability, Properties, and Sustainable Practices

Abstract

Concrete production, integral to construction and demolition processes, generates substantial waste. This waste can be repurposed as recycled aggregates in new concrete production, offering sustainable solutions and addressing resource management and environmental concerns. This literature review explores the utilization of construction and demolition waste as aggregates in recycled aggregate concrete (RAC), with a focus on key areas, including the suitability of RAC, its fresh properties, mix design, mechanical characteristics, and durability. Researchers such as Khalaf and Oikonomou have endorsed demolition waste as a reliable alternative, particularly for fire-resistant applications. Additionally, Kumar Neeraj Jha has emphasized global challenges and the critical need for government support to promote the widespread adoption of recycled aggregates. Fresh property studies conducted by Girish and Panda have underscored the significance of yield stress and plastic viscosity for RAC's concrete performance. Notably, mechanical characteristics studies indicate that RAC can match the mechanical strength of conventional concrete, with potential improvements achievable through the incorporation of supplementary materials and innovative techniques. Durability studies have showcased RAC's potential for enhancements through surface treatments and the use of supplementary cementitious materials. This work provides insights into the current state of research on recycled aggregate concrete, emphasizing its potential to address environmental concerns while maintaining structural performance in construction applications.

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Published

2024-03-05

Issue

Vol. 14 No. 1 (2024)

Section

Review Article

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