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<p>This research explores an innovative approach to sustainable construction by developing sustainable bricks, using industrial waste materials. The research primarily investigates the feasibility of incorporating waste gypsum, water treatment plant (WTP) sludge, quarry dust, lime and fly ash into brick manufacturing to enhance compressive strength while ensuring compliance with standard construction requirements. Various mix proportions were tested under artificial and natural drying conditions, which revealed that bricks cured under sunlight for 28&#xa0;days showed maximum compressive strength. Throughout the study treated wastewater was used for preparing the mix proportions. The optimization of lime content, quarry dust, WTP sludge, particle size and waste gypsum was systematically evaluated to determine the ideal mix proportion. The results show that 40% fly ash, 25% lime, 1% WTP and 34% waste gypsum provided the highest strength. Without quarry dust and with waste gypsum (MP21), the compressive strength significantly increased, achieving a maximum of 3.9&#xa0;MPa, making it a viable alternative to conventional clay bricks. Additionally, water absorption (10.7%) and efflorescence (less than 10%) tests confirmed compliance with IS 3495:1992 standards, ensuring durability. This study highlights the potential of industrial waste utilization in sustainable construction, promoting environmental conservation and circular economy principles while offering an eco-friendly and cost-effective alternative to traditional bricks.</p>

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Utilization of Industrial Waste Materials to Produce Sustainable Building Bricks

  • 期刊论文

  • 发表日期：

    2026年5月8日

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  • V. Preethi,
  • Tsering Namgail,
  • V. Gautham Yadav,
  • N. Sivakumar

摘要

This research explores an innovative approach to sustainable construction by developing sustainable bricks, using industrial waste materials. The research primarily investigates the feasibility of incorporating waste gypsum, water treatment plant (WTP) sludge, quarry dust, lime and fly ash into brick manufacturing to enhance compressive strength while ensuring compliance with standard construction requirements. Various mix proportions were tested under artificial and natural drying conditions, which revealed that bricks cured under sunlight for 28 days showed maximum compressive strength. Throughout the study treated wastewater was used for preparing the mix proportions. The optimization of lime content, quarry dust, WTP sludge, particle size and waste gypsum was systematically evaluated to determine the ideal mix proportion. The results show that 40% fly ash, 25% lime, 1% WTP and 34% waste gypsum provided the highest strength. Without quarry dust and with waste gypsum (MP21), the compressive strength significantly increased, achieving a maximum of 3.9 MPa, making it a viable alternative to conventional clay bricks. Additionally, water absorption (10.7%) and efflorescence (less than 10%) tests confirmed compliance with IS 3495:1992 standards, ensuring durability. This study highlights the potential of industrial waste utilization in sustainable construction, promoting environmental conservation and circular economy principles while offering an eco-friendly and cost-effective alternative to traditional bricks.