Effect of Cuing Conditions on the Microstructural Characteristics of Complex Binders

Xiang Li; Jian Jun Yan; Hua Quan Yang

doi:10.4028/www.scientific.net/AMR.756-759.29

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 756-759Effect of Cuing Conditions on the Microstructural...

Effect of Cuing Conditions on the Microstructural Characteristics of Complex Binders

Abstract:

The microstructure characteristics of complex binders under two curing conditions were studied by observing the micro-morphology, analyzing the pore character and means of spectrum test. The results showed that high temperature curing improved the pore structure formed in the early hydration period and reduced the porosity and the coarse pores in pastes. More hydration products were generated on the surface of fly ash particles that made the microstructure of pastes more denser than cured in room temperature. However, high temperature curing had insignificant influence on the CaO/SiO₂ ratio of C-S-H gel in pastes and contributed little to the improvement of the later hydration degree and microstrcture of fly ash-cement pastes.