Bagasse ash geopolymer mortar containing limestone dust and water hyacinth fiber
This study addresses the critical challenges of construction waste management through the development of an innovative geopolymer mortar using agricultural and industrial waste materials. Using bagasse ash (BA) as the primary precursor and sodium hydroxide with sodium silicate as alkaline activators...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Tamkang University Press
2025-07-01
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| Series: | Journal of Applied Science and Engineering |
| Subjects: | |
| Online Access: | http://jase.tku.edu.tw/articles/jase-202603-29-03-0012 |
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| Summary: | This study addresses the critical challenges of construction waste management through the development of an innovative geopolymer mortar using agricultural and industrial waste materials. Using bagasse ash (BA) as the primary precursor and sodium hydroxide with sodium silicate as alkaline activators, the incorporation of water hyacinth fiber (WHF) with 0-5% and limestone dust (LSD) with 20% replacement was systematically investigated. A comprehensive mechanical characterization revealed: (1) the control geopolymer exhibited a compressive strength of 30 MPa after 28 days; (2) the incorporation of 1.25% WHF slightly reduced the compressive strength by 15-20%, while the flexural strength was significantly increased by 80%; (3) high-temperature curing at 100°C accelerated the early strength development to 35 MPa after 7 days, with a slight reduction in strength of 5-8%
observed after 28 days. These results highlight the potential of waste-derived materials for the development of sustainable, high-performance composites for construction. |
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| ISSN: | 2708-9967 2708-9975 |