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Influence of C_3S content on adaptability of alite-sulphoaluminate cement clinker with fly ash admixture

WU Yuan-chao,LI Yan-jun,LI Bao-liang School of Materials Science and Engineering,University of Jinan,Jinan 250022,Shandong,China  
The adaptability between alite-sulphoaluminate cement clinkers with different amount of C3S and fly ash were studied.The results showed that the setting time of the cement delayed and the compressive strength of cement decreased with increasing of fly ash amount with a fixed C3S content£? the setting time of cement with a fixed content of fly ash delayed and the compressive strength of cement increased with the increasing of C3S content,and compared to the original cement,when the C3S content increased the strength loss at each age was lower with the increasing of fly ash content.With the addition of fly ash,the decreasing range of early compressive strength was remarkable,but the loss of later compressive strength was insignificant.The clinker with higher C3S content showed better adaptability with high addition ratio of fly ash.
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