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Fly ash Based Banana Fiber-reinforced Geopolymer Mortar

Fly ash Based Banana Fiber-reinforced Geopolymer Mortar
Autor(en): , , , ,
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Beitrag für IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022, veröffentlicht in , S. 1212-1219
DOI: 10.2749/prague.2022.1212
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Banana fiber-reinforced geopolymer (BFRG) mortar is an engineered cementitious composite (ECC) that can be used in masonry units and repair system of different concrete elements. During geopolymeri...
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Bibliografische Angaben

Autor(en): (PhD. Candidate, Department of Civil Engineering, De La Salle University, Manila 0922, Philippines)
(Professor, Gokongwei College of Engineering, De La Salle University, Manila 0922, Philippines)
(Professor, Gokongwei College of Engineering, De La Salle University, Manila 0922, Philippines)
(Professor, Gokongwei College of Engineering, De La Salle University, Manila 0922, Philippines)
(Professor, Gokongwei College of Engineering, De La Salle University, Manila 0922, Philippines)
(Postdoctoral Fellow, Department of Civil Engineering, Technical University of Denmark, Lyngby)
(Chief Science Research Specialist, Research and Development Division, Philippine Textile Research Institute, Department of Science and Technology)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022
Veröffentlicht in:
Seite(n): 1212-1219 Anzahl der Seiten (im PDF): 8
Seite(n): 1212-1219
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/prague.2022.1212
Abstrakt:

Banana fiber-reinforced geopolymer (BFRG) mortar is an engineered cementitious composite (ECC) that can be used in masonry units and repair system of different concrete elements. During geopolymerization, only small amount of carbon dioxide (CO2) is generated and reinforcing it with banana fibers (BFs) made the matrix compact and more earth-friendly. BFs treated with sodium hydroxide (NaOH) enhanced its surface roughness and significantly increased its tensile properties. Design of experiment (DOE) with 13 design mixtures are aimed to obtain the highest value of compressive strength. Factors considered in the DOE are the silica fume (SF) and BF content, ratios of the activator to precursor, water to solids, NaOH to water glass (WG) and fly ash (FA) to sand. The experiment revealed the optimum BFRG mortar and the compatibility of BF to the geopolymer which gained great values for workability, split tensile strength and compressive strength.
Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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