Abstract
The addition of fly ash into magnesium phosphate-base material will reduce the original compressive strength, flexural strength and abrasion resistance of magnesium phosphate cement, the expansion character of it will increase as the amount of fly ash increase. With the increase of the dosage of fly ash, the compressive strength of pure magnesium phosphate cement will reduce after the first increases, and the flexural strength and abrasion resistance of magnesium phosphate cement will decrease with the increase of the dosage of fly ash. But the ultimate strength could meet the need of practical engineering if the dosage is appropriate. The addition of fly ash can help reduce the cost and improve the properties of phosphate cement-based repair material. Propriate dosage of fly ash into the cement could help improve its liquidity, adjust the setting time and improve the bonding degree of magnesium phosphate cement with portlant cement concrete. So it could be better used in many areas such as patching material, oil well cement and waste disposal and so on.
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Huang, R., Kong, X. (2018). The Application Analysis of Fly Ash in Magnesium Phosphate Cement. In: Struble, L., Tebaldi, G. (eds) Materials for Sustainable Infrastructure. GeoMEast 2017. Sustainable Civil Infrastructures. Springer, Cham. https://doi.org/10.1007/978-3-319-61633-9_24
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DOI: https://doi.org/10.1007/978-3-319-61633-9_24
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