Development of high strength alkali activated binder using palm oil fuel ash and GGBS at ambient temperature

被引：65

作者：

Salih, Moslih Amer ^{[1
,2
]}

Farzadnia, Nima ^{[2
]}

Ali, Abang Abdullah Abang ^{[2
]}

Demirboga, Ramazan ^{[3
]}

机构：

[1] Al Furat Al Awsat Tech Univ, Babylon Tech Inst, Al Musaib City, Babylon Provinc, Iraq

[2] Univ Putra Malaysia, Fac Engn, Dept Civil Engn, Housing Res Ctr, Serdang 43400, Selangor, Malaysia

[3] King Abdulaziz Univ, Dept Civil Engn, Jeddah, Saudi Arabia

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2015年 / 93卷

关键词：

POFA; GGBS; High strength alkali activated binder; Geopolymers; C-S-H; C-A-S-H; CALCIUM SILICATE HYDRATE; RICE HUSK ASH; FLY-ASH; COMPRESSIVE STRENGTH; GEOPOLYMER; SLAG; CEMENT; CONCRETE; MICROSTRUCTURE; GEL;

D O I：

10.1016/j.conbuildmat.2015.05.119

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study focused on production of high strength alkali activated binder by alkali activation of binary mix of palm oil fuel ash (POFA) and ground granulated blast furnace slag (GGBS) at ambient temperature. Compression test was performed to assess mechanical properties of the mixture. Chemical tests were also conducted to investigate the role of calcium and aluminum ions from GGBS in the strength development. Formation of aluminum-substituted calcium silicate hydrate (C-A-S-H) gel with a higher degree of crystallinity was observed when GGBS was added. Replacement of 50% POFA with GGBS increased the strength up to 92 MPa at 90 days. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：289 / 300

页数：12

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