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Effect of one-component grinding aids on cement properties

ZHANG Wei,LI Xian-jun,HE Yan-shu Insititute of Building materials,Xi'an University of Architecture Technology,Xi'an 710055,Shaanxi,China  
The effect of two phosphate grinding aids and four alcohol amine cement grinding aids on cement physical properties was studied,and the effect of two kind of grinding aids on compatibility of cement and concrete admixture,and the mechanism was researched too. The result showed that the grinding-aid effect of sodium tripolyphosphate was most obvious,and the long term grinding-aid effect of triethanolamine and glycerol was better,the strengthen effect of glycerol was good,the phosphate grinding aids could improve the compatibility of cement and admixture,but alcohol amine grinding aids would worsen it.
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