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-  2018 

花岗岩石粉与矿物掺合料对胶浆氯离子结合性能的影响 Influence of granite micro fines and mineral additions on chloride ion binding of cementitious material paste

Keywords: 花岗岩石粉,粉煤灰,矿渣粉,氯离子结合

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Abstract:

以外掺花岗岩石粉的方式,研究机制砂引入的石粉对胶凝材料浆体氯离子结合性能的影响规律,对比研究矿物掺合料(粉煤灰、矿渣粉分别单掺、复掺取代一定量水泥)对浆体氯离子结合性能的影响.通过改变石粉掺量以及矿物掺和料的掺量,研究掺量对浆体氯离子结合性能的影响.结果表明,对于纯水泥胶浆或者复掺粉煤灰和矿粉的胶浆,掺入一定量的花岗岩石粉后,胶浆的氯离子结合总量、化学结合量和物理吸附量均高于未掺石粉的基准样,且复掺粉煤灰和矿渣粉的胶凝材料浆体的氯离子结合性能优于纯水泥浆体.单掺入30%~50%的粉煤灰或矿渣粉均能改善胶浆的氯离子结合性能,且矿渣粉对胶浆氯离子结合性能的改善作用优于粉煤灰

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