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In the construction world, the popularity of high-rise buildings introduces notable challenges, especially in handling the dead load of the structures. The significant mass of structures has been a prominent issue for a long time, primarily attributed to the construction of tall buildings. In order to effectively tackle this matter, it is imperative to develop lightweight concrete that exhibits low thermal conductivity while maintaining high compressive strength. To overcome this the development of lightweight concrete (LWC) having unit weight (1500–1900) Kg/m3, that exhibits low thermal conductivity while maintaining required compressive strength. This study evaluates alternative mixture designs of M30 grade concrete, containing four distinct materials: fly ash, sintered fly ash (SFA), micron balls (MB), Lightweight Expanded Clay aggregates (LECA) and pumice stone (PS) with Perlite. Mechanical properties such as compressive strength, density and physical properties like water absorption and specific gravity of lightweight materials are thoroughly investigated.

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Development of Mixture Design of Lightweight Concrete Using Lightweight Materials

  • 会议论文

  • 发表日期：

    2025年

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  • Sabita Pradhan,
  • Tejas Joshi,
  • Parth B. shah,
  • Shakti Rathore

摘要

In the construction world, the popularity of high-rise buildings introduces notable challenges, especially in handling the dead load of the structures. The significant mass of structures has been a prominent issue for a long time, primarily attributed to the construction of tall buildings. In order to effectively tackle this matter, it is imperative to develop lightweight concrete that exhibits low thermal conductivity while maintaining high compressive strength. To overcome this the development of lightweight concrete (LWC) having unit weight (1500–1900) Kg/m3, that exhibits low thermal conductivity while maintaining required compressive strength. This study evaluates alternative mixture designs of M30 grade concrete, containing four distinct materials: fly ash, sintered fly ash (SFA), micron balls (MB), Lightweight Expanded Clay aggregates (LECA) and pumice stone (PS) with Perlite. Mechanical properties such as compressive strength, density and physical properties like water absorption and specific gravity of lightweight materials are thoroughly investigated.