What is it about?
The study tests geopolymer concrete made with different sodium hydroxide molar concentrations to see how strength changes. It finds that molarity strongly affects the geopolymer reaction — mixes with the right (higher/optimal) molarity develop a denser gel structure and show higher compressive strength. Lower molarity gives weaker results. The research identifies the best molar concentration needed for maximum mechanical performance.
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Why is it important?
Studying different molar concentrations in geopolymer concrete is important because the activator’s molarity directly controls the chemical reaction that forms the geopolymer binder. By finding the optimal molarity, engineers can achieve higher strength, better durability, and more stable performance. It also helps reduce waste of chemicals, lower cost, and improve sustainability compared to traditional cement. Overall, it provides a scientific basis for designing reliable and efficient geopolymer concrete for structural applications.
Perspectives
This research opens pathways for using geopolymer concrete in real structural work, supports sustainable construction by reducing cement use, and helps standardize mix designs for industry. It also highlights the need for further studies on durability and field applications to fully unlock geopolymer concrete’s potential.
Sandeep Thapa
Parul University
Read the Original
This page is a summary of: Experimental approach to geopolymer concrete mechanical traits across diverse molar concentrations, January 2025, American Institute of Physics,
DOI: 10.1063/5.0290144.
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