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<p>Rapid urbanization has led to an increasing demand for construction materials, resulting in a critical shortage of natural river sand (RS) and rising costs. Excessive RS mining disrupts ecosystems, causing habitat destruction and changes in river flow. This study investigates Deccan Basalt manufactured sand (DBMS) as a sustainable alternative in concrete production, replacing RS in proportions from 0 to 100%. The research aims to reduce the environmental impact of RS mining and lower construction costs. The investigation focuses on the mechanical properties and acid attack resistance of the concrete mixtures. Results reveal that fully replacing RS with DBMS significantly enhances compressive strength (CS) and durability, with minimal weight and strength loss under acid attack. Microstructural analysis shows a denser and more refined matrix in concrete with 100% DBMS content. These findings highlight DBMS as an effective substitute for RS, providing environmental and economic benefits while improving structural performance and longevity of concrete.</p>

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Sustainable Concrete Advancements: Exploring Deccan Basalt Manufactured Sand as A River Sand Alternative

  • 期刊论文

  • 发表日期：

    2025年4月23日

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  • Yash Rathore,
  • Juned Raheem

摘要

Rapid urbanization has led to an increasing demand for construction materials, resulting in a critical shortage of natural river sand (RS) and rising costs. Excessive RS mining disrupts ecosystems, causing habitat destruction and changes in river flow. This study investigates Deccan Basalt manufactured sand (DBMS) as a sustainable alternative in concrete production, replacing RS in proportions from 0 to 100%. The research aims to reduce the environmental impact of RS mining and lower construction costs. The investigation focuses on the mechanical properties and acid attack resistance of the concrete mixtures. Results reveal that fully replacing RS with DBMS significantly enhances compressive strength (CS) and durability, with minimal weight and strength loss under acid attack. Microstructural analysis shows a denser and more refined matrix in concrete with 100% DBMS content. These findings highlight DBMS as an effective substitute for RS, providing environmental and economic benefits while improving structural performance and longevity of concrete.