Study of Complex Chemical Activator on Activation Effect of Calcined Coal Gangue

Xu Yan Song; Jing Yun Han; Zhi Hai Gao

doi:10.4028/www.scientific.net/AMR.450-451.832

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 450-451Study of Complex Chemical Activator on Activation...

Study of Complex Chemical Activator on Activation Effect of Calcined Coal Gangue

Abstract:

Three kinds of complex chemical activators were prepared and then introduced into calcined coal gangue cement. Physical and mechanical properties such as mortar fluidity and mortar strength and shrinkage were tested. The results can show that: excitation effects of multiple complex chemical activators may obvious, where with 8% of J1, 50% of cement replaced with activated coal gangue, compressive strength of the system at ages of 28 days can reach 40.7MPa. Compared with coal gangue cement system without exciting agent, in calcined coal gangue cement system with complex activators early shrinkage increased obviously and later shrinkage may be equivalent to that of pure cement.

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Periodical:

Advanced Materials Research (Volumes 450-451)

Pages:

832-835

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.450-451.832

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Online since:

January 2012

Authors:

Xu Yan Song, Jing Yun Han, Zhi Hai Gao

Keywords:

Calcined Coal Gangue, Complex Chemical Activator, Mechanical Property, Shrinkage

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