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<p>This study addresses the pressing need for sustainable construction materials amidst rapid infrastructure development. The feasibility of using locally sourced marginal aggregates, such as broken bricks, shale, river stones, and wooden stones, as alternatives for flexible pavement construction is evaluated. To enhance the strength of these aggregates, a treatment for stabilization involving 3% Ordinary Portland Cement and 1&#xa0;lt/m<sup>2</sup> of nanomaterials (Terrasil and Zycobond) was used. Various mix proportions of these marginal aggregates with soil were tested for California bearing ratio, unconfined compressive strength, and compressive strength. The study demonstrated substantial improvements in the strength of each aggregate through stabilization techniques. To rank these marginal aggregates based on laboratory test results, Multi-criterion decision making methods such as VIKOR and TOPSIS were employed. Notably, broken bricks emerged as the top-ranking choice, while wooden stones were positioned at the bottom in feasibility compared to conventional stone aggregates.</p>

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Employment of Nanomaterial Treated Marginal Aggregates in Flexible Pavement: A VIKOR and TOPSIS Approach

  • 期刊论文

  • 发表日期：

    2025年8月8日

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  • Amit Sain,
  • Arun Gaur,
  • Dipankar Sarkar,
  • Rajat Mangalmurti Ninawe

摘要

This study addresses the pressing need for sustainable construction materials amidst rapid infrastructure development. The feasibility of using locally sourced marginal aggregates, such as broken bricks, shale, river stones, and wooden stones, as alternatives for flexible pavement construction is evaluated. To enhance the strength of these aggregates, a treatment for stabilization involving 3% Ordinary Portland Cement and 1 lt/m2 of nanomaterials (Terrasil and Zycobond) was used. Various mix proportions of these marginal aggregates with soil were tested for California bearing ratio, unconfined compressive strength, and compressive strength. The study demonstrated substantial improvements in the strength of each aggregate through stabilization techniques. To rank these marginal aggregates based on laboratory test results, Multi-criterion decision making methods such as VIKOR and TOPSIS were employed. Notably, broken bricks emerged as the top-ranking choice, while wooden stones were positioned at the bottom in feasibility compared to conventional stone aggregates.