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Study of Ambient Cured Fly Ash-GGBS-Metakaolin-Based Geopolymers Mortar

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Low Carbon Materials and Technologies for a Sustainable and Resilient Infrastructure (CBKR 2023)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 440))

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Abstract

Aluminosilicate minerals serve as the starting point for the chemical process of geopolymerization, which produces binders with minimal environmental impact. Fly ash (FA) was employed as a precursor for developing these binders. However, the use of this novel binder in the construction sector is constrained since oven curing has been employed to quicken the aluminosilicate’s polycondensation. Therefore, the present work determines whether it was possible to produce binders with favorable mechanical characteristics. The precursor composite material was produced by combining sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) alkaline solutions with various mixes of FA, GGBS, and metakaolin (MK). In this study, the effect of varying alkaline solution ratios on the compressive strength of a mixture was examined. After 90 days, samples containing 55–60% FA, 30% GGBS, and 10–15% MK activated in an alkaline solution with a NaOH/Na2SiO3 ratio of 1.5 and NaOH concentration of NaOH 16 M obtained a compressive strength of around 61 MPa.

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Authors and Affiliations

  1. School of Infrastructure, Indian Institute of Technology Bhubaneswar, Bhubaneswar, Odisha, India

    Banoth Gopalakrishna & Dinakar Pasla

Authors
  1. Banoth Gopalakrishna
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  2. Dinakar Pasla
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Corresponding author

Correspondence to Dinakar Pasla .

Editor information

Editors and Affiliations

  1. Department of Civil Engineering, National Institute of Technology Warangal, Warangal, Telangana, India

    Rathish Kumar Pancharathi

  2. Department of Civil and Environmental Engineering, Honk Kong University of Science and Technology, Kowloon, Hong Kong

    Christopher K. Y. Leung

  3. Department of Civil Engineering, Indian Institute of Science, Bengaluru, India

    J. M. Chandra Kishen

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Gopalakrishna, B., Pasla, D. (2024). Study of Ambient Cured Fly Ash-GGBS-Metakaolin-Based Geopolymers Mortar. In: Pancharathi, R.K., K. Y. Leung, C., Chandra Kishen, J.M. (eds) Low Carbon Materials and Technologies for a Sustainable and Resilient Infrastructure . CBKR 2023. Lecture Notes in Civil Engineering, vol 440. Springer, Singapore. https://doi.org/10.1007/978-981-99-7464-1_3

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  • DOI: https://doi.org/10.1007/978-981-99-7464-1_3

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-99-7463-4

  • Online ISBN: 978-981-99-7464-1

  • eBook Packages: EngineeringEngineering (R0)

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