Investigation of the waterproof property of alkali-activated metakaolin geopolymer added with rice husk ash

Liang, Guangwei and Zhu, Huajun and Zhang, Zuhua and Wu, Qisheng and Du, Jianzhou (2019) Investigation of the waterproof property of alkali-activated metakaolin geopolymer added with rice husk ash. Journal of Cleaner Production, 230. pp. 603-612. ISSN 0959-6526


Abstract

Recycled utilization of agricultural waste would make great contributions to the environmental protection and create significant economic benefits. This study focused on the use of rice husk ash (which was abbreviated as RHA), and the metakaolin-based geopolymer (MG) added with RHA were manufactured by alkali activation. The waterproof property and microstructure of samples were investigated and characterized systematically. The SiO2 particles dissolved from the loose layers of RHA could be a potential filler and high active agent, which both played a vital role on the development of enhancement in waterproof property. However, the excessive incorporation of RHA in the synthesis process of geopolymer would also make a side effect on the development of geopolymer comprehensive property. A predictable balance with the optimal property was achieved at the 20% content replacement of MK by RHA. This research would provide a reference for the reuse of agricultural by-product, which is of great value in the realization of diversification in supplementary cementitious materials and recycling in agricultural wastes.


Statistics for USQ ePrint 37688
Statistics for this ePrint Item
Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Files associated with this item cannot be displayed due to copyright restrictions.
Faculty/School / Institute/Centre: Current - Institute for Advanced Engineering and Space Sciences - Centre for Future Materials (1 Jan 2017 -)
Faculty/School / Institute/Centre: Current - Institute for Advanced Engineering and Space Sciences - Centre for Astrophysics (1 Aug 2018 -)
Date Deposited: 28 Jan 2020 03:16
Last Modified: 30 Jan 2020 02:46
Uncontrolled Keywords: Rice husk ash, Alkali-activation, Metakaolin, Geopolymer, Filling effect, Waterproof
Fields of Research : 09 Engineering > 0905 Civil Engineering > 090502 Construction Engineering
Socio-Economic Objective: B Economic Development > 87 Construction > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials
Identification Number or DOI: 10.1016/j.jclepro.2019.05.111
URI: http://eprints.usq.edu.au/id/eprint/37688

Actions (login required)

View Item Archive Repository Staff Only