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The study aims at evaluating Mechanical and Durability properties of Wollastonite added Alkali -activated Concrete (AAC) cured under varying conditions and identify its potential usage as a sustainable supplementary material in concrete industry. Alkali-activated concrete also known as Geopolymer concrete (GPC) is a “Cement-less” concrete. Wollastonite, a natural occurring calcium silicate mineral was added by partially replacing the percentages of wollastonite (by weight) to binder content (5%,10% and 15%) in each mix and for different curing conditions; Oven curing at 60 ℃ for 24 h and at Ambient curing to evaluate its working as a “Performance-Boosting Additive”. Mechanical properties along with Durability properties in terms of Compressive strength, Flexural strength, Split Tensile Strength, Abrasion Resistance, Apparent density and Percentage of permeable voids were evaluated. Results indicate enhanced Mechanical strengths and Durability properties up to a level of 10%. Futhermore, the findings of the study would also help in reaching the “Sustainable Development Goals” (SDGs).

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Mechanical and Durability Study of Wollastonite Incorporated Alkali-Activated Concrete

  • 会议论文

  • 发表日期：

    2025年

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  • Sanchi Rewar,
  • Mahender Choudhary,
  • Arun Gaur,
  • Ramswaroop Mandolia

摘要

The study aims at evaluating Mechanical and Durability properties of Wollastonite added Alkali -activated Concrete (AAC) cured under varying conditions and identify its potential usage as a sustainable supplementary material in concrete industry. Alkali-activated concrete also known as Geopolymer concrete (GPC) is a “Cement-less” concrete. Wollastonite, a natural occurring calcium silicate mineral was added by partially replacing the percentages of wollastonite (by weight) to binder content (5%,10% and 15%) in each mix and for different curing conditions; Oven curing at 60 ℃ for 24 h and at Ambient curing to evaluate its working as a “Performance-Boosting Additive”. Mechanical properties along with Durability properties in terms of Compressive strength, Flexural strength, Split Tensile Strength, Abrasion Resistance, Apparent density and Percentage of permeable voids were evaluated. Results indicate enhanced Mechanical strengths and Durability properties up to a level of 10%. Futhermore, the findings of the study would also help in reaching the “Sustainable Development Goals” (SDGs).