Assessment of Geopolymer Concrete for Underwater Concreting Properties

• Autorzy: Zaidi Fakhryna Hannanee Ahmad , Ahmad Romisuhani , Al Bakri Abdullah Mohd Mustafa , Wan Ibrahim Wan Mastura , Aziz Ikmal Hakem , Junaidi Subaer , Luhar Salmabanu

Identyfikatory

DOI

10.24425/amm.2022.137805

• Języki publikacji: EN

Abstrakty

EN

For ages, concrete has been used to construct underwater structures. Concrete laying underwater is a very complex procedure important to the success or failure of underwater projects. This paper elucidates the influence of alkali activator ratios on geopolymers for underwater concreting; focusing on the geopolymer concrete synthesized from fly ash and kaolin activated using sodium hydroxide and sodium silicate solutions. The geopolymer mixtures were designed to incorporate multiple alkali activator ratios to evaluate their effects on the resulting geopolymers’ properties. The fresh concrete was molded into 50 mm cubes in seawater using the tremie method and tested for its engineering properties at 7 and 28 days (curing). The control geopolymer and underwater geopolymers’ mechanical properties, such as compressive strength, water absorption density, and setting time were also determined. The differences between the control geopolymer and underwater geopolymer were determined using phase analysis and functional group analysis. The results show that the geopolymer samples were optimally strengthened at a 2.5 alkali activator ratio, and the mechanical properties of the control geopolymer exceeded that of the underwater geopolymer. However, the underwater geopolymer was determined to be suitable for use as underwater concreting material as it retains 70% strength of the control geopolymer.

Słowa kluczowe

EN

geopolymer; underwater concrete; fly ash; kaolin

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 2
• Strony: 677--684
• Opis fizyczny: Bibliogr. 24 poz., fot., rys., tab., wzory

Twórcy

autor

Zaidi Fakhryna Hannanee Ahmad

• Universiti Malaysia Perlis, Faculty of Engineering Technology, Sungai Chuchuh, 02100 Padang Besar, Perlis, Malaysia

• https://orcid.org/0000-0001-7355-7641

autor

Ahmad Romisuhani

• Universiti Malaysia Perlis, Faculty of Engineering Technology, Sungai Chuchuh, 02100 Padang Besar, Perlis, Malaysia
• Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia

• https://orcid.org/0000-0003-2232-6426

autor

Al Bakri Abdullah Mohd Mustafa

• Universiti Malaysia Perlis, Faculty of Chemical Engineering Technology, Taman Muhibbah, 02600 Jejawi, Arau, Perlis, Malaysia
• Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia

• https://orcid.org/0000-0002-9779-8586

autor

Wan Ibrahim Wan Mastura

• Universiti Malaysia Perlis, Faculty of Engineering Technology, Sungai Chuchuh, 02100 Padang Besar, Perlis, Malaysia
• Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia

• https://orcid.org/0000-0002-9537-9193

autor

Aziz Ikmal Hakem

• Universiti Malaysia Perlis, Faculty of Chemical Engineering Technology, Taman Muhibbah, 02600 Jejawi, Arau, Perlis, Malaysia
• Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia

• https://orcid.org/0000-0002-2152-8918

autor

Junaidi Subaer

• Universitas Negeri Makassar, Geopolymer & Green Material Group, Physics Department, FMIPA, Indonesia

• https://orcid.org/0000-0002-0307-5396

autor

Luhar Salmabanu

• Frederick Research Center, P.O Box 24729, 1303 Nicosia, Cyprus
• Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia

• https://orcid.org/0000-0002-1129-2825

Bibliografia

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Uwagi

1. The authors wish to acknowledge the Center of Geopolymer and Green Technology for providing the laboratory facilities. This work was funding supported by the “Partnership for research in Geopolymer Concrete” (PRIGeoC-689857) sponsored by the European Union.

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).