Performance evaluation of geopolymer grout materials derived from high-volume circulating fluidized bed fly ash and ground granulated blast furnace slag

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成果类型：

期刊论文

作者：

Wang, Hualei;Tan, Guohao;Lin, Peixuan;Gu, Fan;Zhang, Junhui

通讯作者：

Zhang, JH

作者机构：

[Tan, Guohao; Lin, Peixuan; Wang, Hualei; Zhang, Junhui; Gu, Fan] Changsha Univ Sci & Technol, Key Lab Highway Engn, Minist Educ, Changsha 410114, Hunan, Peoples R China.

[Tan, Guohao; Lin, Peixuan; Wang, Hualei; Zhang, Junhui; Gu, Fan] Changsha Univ Sci & Technol, Natl Engn Lab Highway Maintenance Technol, Changsha 410114, Peoples R China.

[Tan, Guohao; Lin, Peixuan; Wang, Hualei; Zhang, Junhui; Gu, Fan] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha 410114, Hunan, Peoples R China.

[Zhang, Junhui] Changsha Univ Sci & Technol, Wanjiali South Rd 2nd Sect 960, Changsha 410114, Hunan, Peoples R China.

通讯机构：

[Zhang, JH ] C

Changsha Univ Sci & Technol, Wanjiali South Rd 2nd Sect 960, Changsha 410114, Hunan, Peoples R China.

语种：

英文

关键词：

Circulating fluidized bed fly ash;Ground granulated blast-furnace slag;Grout materials;Geopolymers;Performance;Microstructure

期刊：

Construction and Building Materials

ISSN：

0950-0618

年：

2025

卷：

474

页码：

141082

DOI：

10.1016/j.conbuildmat.2025.141082

基金类别：

CRediT authorship contribution statement Tan Guohao: Investigation, Data curation. Lin Peixuan: Investigation, Data curation. Wang Hualei: Writing – original draft, Methodology, Investigation. Gu Fan: Writing – review & editing, Methodology. Zhang Junhui: Writing – review & editing, Project administration, Methodology, acquisition, Conceptualization.

机构署名：

本校为第一且通讯机构

院系归属：

交通运输工程学院

摘要：

Circulating fluidized bed fly ash (CFBFA) is a significant byproduct of power plants and has attracted considerable attention due to its potential as a low-cost geopolymer precursor. However, unstable components in CFBFA, such as sulfur trioxide (SO 3 ) and free lime (f-CaO), can lead to volumetric expansion, which limits its widespread application in cementitious materials. To address this issue, this study effectively combines CFBFA with ground granulated blast furnace slag (GGBS) to develop an environmentally friendly micro-expansive geopoly...

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Performance evaluation of geopolymer grout materials derived from high-volume circulating fluidized bed fly ash and ground granulated blast furnace slag

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