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It is acknowledged that chemically-activated binder (CAB) concrete is a revolutionary, environmentally friendly alternative to Portland cement concrete that exhibits superior mechanical and thermal properties. Chemically activated binder concrete is a promising sustainable construction material to replace Portland cement concrete. The CAB binder is composed of 85% ground granulated blast furnace slag (GGBFS) and 15% chemical activator. The GGBFS is non-metallic by-product produced during metal extraction process of iron industries. In this paper, mix design for different grades of standard strength concrete viz. M30, M35, M40, M45, M50 have been done using 20% Alccofine and 80% CAB. Concrete specimens of different types like cube, cylinder and prism have been cast at different age of maturity. In this paper CAB concrete is exposed at different temperatures viz. ambient temperature (27 °C), 200 °C, 400 °C, 600 °C, 800 °C and then residual strength properties of the CAB concrete are evaluated.

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Effect of Elevated Temperature on the Residual Strength of Chemically Activated Binder Concrete

  • 会议论文

  • 发表日期：

    2025年

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  • Virendra Kumar,
  • Rajani Kant Upadhyay,
  • K. K. Sharma

摘要

It is acknowledged that chemically-activated binder (CAB) concrete is a revolutionary, environmentally friendly alternative to Portland cement concrete that exhibits superior mechanical and thermal properties. Chemically activated binder concrete is a promising sustainable construction material to replace Portland cement concrete. The CAB binder is composed of 85% ground granulated blast furnace slag (GGBFS) and 15% chemical activator. The GGBFS is non-metallic by-product produced during metal extraction process of iron industries. In this paper, mix design for different grades of standard strength concrete viz. M30, M35, M40, M45, M50 have been done using 20% Alccofine and 80% CAB. Concrete specimens of different types like cube, cylinder and prism have been cast at different age of maturity. In this paper CAB concrete is exposed at different temperatures viz. ambient temperature (27 °C), 200 °C, 400 °C, 600 °C, 800 °C and then residual strength properties of the CAB concrete are evaluated.