International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Volume 8 Issue 4
July-August 2026

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Optimization of a Rice Husk-Derived Hybrid Activator to Improve Performance of Hybrid Geopolymer Concrete

Author(s) Mr. Onkar Sharad, Mr. Kapil Kumar Soni
Country India
Abstract The increasing need for environmentally friendly construction materials has prompted more rapid study into geopolymer concrete as a viable alternative to conventional Portland cement. This research explores the creation and optimisation of a hybrid activator produced from rice husk for the purpose of boosting the performance of hybrid geopolymer concrete (HGPC). Rice husk, which is a plentiful by-product of agriculture, was treated in order to extract silica. This silica was then mixed with alkaline solutions to create a hybrid activator. The mechanical strength, durability, and microstructural features of HGPC were comprehensively examined with regard to the effects of activator content, molarity, and curing conditions. The findings showed that the hybrid activator that was generated from rice husk substantially increased compressive strength, decreased permeability, and increased resistance to acid and sulphate attacks in comparison to traditional activators. The production of a thick geopolymer matrix with well-developed aluminosilicate gel phases was verified by microstructural characterisation utilising XRD, FTIR, and SEM. The optimised hybrid activator not only valorises agricultural waste but also eliminates the need on activators from industrial chemicals. This offers a cost-effective and sustainable avenue for large-scale geopolymer concrete applications. The findings of this study demonstrate the possibility of using rice husk-derived activators in the development of environmentally friendly building technologies and the implementation of circular economy practices.
Keywords Husk-Derived, Hybrid, Improve, Performance, Hybrid, Geopolymer
Field Engineering
Published In Volume 8, Issue 4, July-August 2026
Published On 2026-07-09
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E-ISSN 2582-2160
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CrossRef DOI prefix of IJFMR is 10.36948/ijfmr

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