Recycled and upcycled materials in contemporary architecture and civil engineering: Their applications, benefits, and challenges

Abstract

This paper explores the increasingly popular practice of integrating recycled and upcycled materials in modern architecture and civil engineering and highlights their central role in promoting sustainability, energy efficiency, and environmental responsibility. Upcycling transforms discarded materials, such as reclaimed metal, wood, masonry, glass, concrete, and plastic, into valuable resources and offers a promising course for achieving sustainability. This research evaluates the performance, durability, and aesthetic potential of discarded materials through case studies of completed projects to illustrate their successful applications. It also addresses the challenges and opportunities associated with the widespread use of recycled and upcycled materials by focusing on technological advancements, lifecycle assessments, and economic feasibility. The findings underscore the significance of continued research and innovation in this field and the need for supportive government regulations and better public awareness. In summary, the study emphasizes the compelling need to integrate recycled and upcycled materials in construction to promote sustainable construction practices and develop a more resilient, resource-efficient built environment. • A review of sustainable construction practices focuses on the use of recycled and upcycled materials. • Case studies show that recycled materials like concrete, metal, and plastic reduce energy consumption and costs, making projects eco-friendlier and more economical. • Recycled materials offer strength and durability, but their performance varies, requiring careful testing and engineering adjustments. • Using recycled materials reduces construction waste, lowers GHG, and conserves resources. • Large-scale adoption faces challenges such as regulatory compliance, material availability,

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