Effects of Kiln Dust-Activated Coal Gangue on the Properties of High-Content Slag Cement

Chun Mei Wang; Jing Wang; Li Rong Yang; Guang Dong Cao; Dan Yang Dong

doi:10.4028/www.scientific.net/AMR.753-755.525

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 753-755Effects of Kiln Dust-Activated Coal Gangue on the...

Effects of Kiln Dust-Activated Coal Gangue on the Properties of High-Content Slag Cement

Abstract:

The effects of amounts of the kiln dust-activated coal gangue on the setting time and compressive strength of high-content slag cement were investigated. The performance of sulphate resistance of cement with 30 wt.% kiln dust-activated coal gangue was evaluated. The results reveal that the setting time of high-content slag cement is prolonged. Appropriate kiln dust-activated coal gangue amounts can increase the compressive strength, while too much activated coal gangue (>30 wt.%) leads to the decrease in compressive strength. Cement with 10 wt.% kiln dust-activated coal gangue exhibits a good compressive strength. The performance of sulphate resistance of Portland cement with 30 wt.% kiln dust-activated coal gangue is distinctly enhanced, while that of high-content slag cement is improved to some extent.

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Periodical:

Advanced Materials Research (Volumes 753-755)

Pages:

525-528

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.753-755.525

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Online since:

August 2013

Authors:

Chun Mei Wang, Jing Wang, Li Rong Yang, Guang Dong Cao, Dan Yang Dong

Keywords:

Coal Gangue, High-Content Slag Cement, Kiln Dust, Performance

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