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oapen-20.500.12657-493542021-11-23T14:02:47Z Chapter Fly Ash as a Cementitious Material for Concrete Li, Long-yuan Abdul Razak, Rafiza Ahmad, Romisuhani Mustafa Al Bakri Abdullah, Mohd Yahya, Zarina Bouaissi, Aissa fly ash, physical characteristics, specific gravity, particle shape, chemical activation, workability bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBC Engineering: general This paper presents a review on fly ash as prime materials used for geopolymer. Due to its advantages of abundant resources, less in cost, great workability and high physical properties, fly ash leads to achieving high mechanical properties. Fly ash is considered as one of the largest generated industrial solid wastes or so-called industrial by-products, around the world particularly in China, India, and USA. The characteristics of fly ash allow it to be a geotechnical material to produce geopolymer cement or concrete as an alternative of ordinary Portland cement. Many efforts are made in this direction to formulate a suitable mix design of fly ash-based geopolymer by focusing on fly ash as the main prime material. The physical properties, chemical compositions, and chemical activation of fly ash are analyzed and evaluated in this review paper. Reference has been made to different ASTM, ACI standards, and other researches work in geopolymer area. 2021-06-02T10:13:06Z 2021-06-02T10:13:06Z 2020 chapter ONIX_20210602_10.5772/intechopen.90466_468 https://library.oapen.org/handle/20.500.12657/49354 eng application/pdf n/a 71492.pdf InTechOpen 10.5772/intechopen.90466 10.5772/intechopen.90466 09f6769d-48ed-467d-b150-4cf2680656a1 H2020-MSCA-RISE-2015 689857 open access
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This paper presents a review on fly ash as prime materials used for geopolymer. Due to its advantages of abundant resources, less in cost, great workability and high physical properties, fly ash leads to achieving high mechanical properties. Fly ash is considered as one of the largest generated industrial solid wastes or so-called industrial by-products, around the world particularly in China, India, and USA. The characteristics of fly ash allow it to be a geotechnical material to produce geopolymer cement or concrete as an alternative of ordinary Portland cement. Many efforts are made in this direction to formulate a suitable mix design of fly ash-based geopolymer by focusing on fly ash as the main prime material. The physical properties, chemical compositions, and chemical activation of fly ash are analyzed and evaluated in this review paper. Reference has been made to different ASTM, ACI standards, and other researches work in geopolymer area.
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