Synergistic preparation of geopolymer using electrolytic manganese residue, coal slag and granulated blast furnace slag

Wu, Zhonghu; Zhang, Hui; Pu, Shaoyun; Cai, Guojun; Duan, Wei; Song, Huailei; Zeng, Chi; Yang, Yuhan

doi:10.1016/j.jobe.2024.109609

Journal of Building Engineering

2024

DOI: 10.1016/j.jobe.2024.109609

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Synergistic preparation of geopolymer using electrolytic manganese residue, coal slag and granulated blast furnace slag

Zhonghu Wu,

Hui Zhang,

Shaoyun Pu

et al.

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2024

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The Influence of FA Content on the Mechanical and Hydration Properties of Alkali-Activated Ground Granulated Blast Furnace Slag Cement

Liu,

Fu,

Yang

et al. 2024

Buildings

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This study primarily investigates the effect of fly ash (FA) content on the mechanical properties and hydration performance of alkali-activated ground granulated blast furnace slag cement (AAGC) and compares the related properties with ordinary Portland cement (OPC). Additionally, we examined the hydration products; performed thermal analysis, MIP, and SEM; and determined chemically bound water and pH values of AAGC. The compressive strength of AAGC showed a retrogression phenomenon from 3 to 28 days, with the 14-day and 28-day compressive strengths of AAGC being higher than those of OPC. The AAGC with 20% FA content exhibited the highest 28-day compressive strength (75 MPa). The hydration heat release rate curve of OPC and AAGC was divided into the initial induction period, induction period, acceleration period, deceleration period, and steady period. As FA content increased, the 28-day pore volume of AAGC increased, while pH values and chemically bound water decreased. SEM images of AAGC with low FA content showed more microcracks.

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The Influence of FA Content on the Mechanical and Hydration Properties of Alkali-Activated Ground Granulated Blast Furnace Slag Cement

Liu,

Fu,

Yang

et al. 2024

Buildings

View full text Add to dashboard Cite

show abstract

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Synergistic preparation of geopolymer using electrolytic manganese residue, coal slag and granulated blast furnace slag

Cited by 1 publication

References 66 publications

The Influence of FA Content on the Mechanical and Hydration Properties of Alkali-Activated Ground Granulated Blast Furnace Slag Cement

The Influence of FA Content on the Mechanical and Hydration Properties of Alkali-Activated Ground Granulated Blast Furnace Slag Cement

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