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《Sichuan Building Science》 2006-06
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The influence of inorganic salt early strength agent on the compatibility between superplasticizer and cement

WU Yonghua,LI Guoxin,SHEN Fuqiang,NAN Feng(School of Materials Science and Engineering,Xi'an University of Architecture and Technology,Xi'an 710055,China)  
Some inorganic salts that can enhance the early strength of concrete are used widely,but with these salts added to concrete,the compatibility between superplasticizer and cement will be influenced significantly.In this paper,through testing fluidity degree and settling time of the cement pastes,the cement made by ourselves is used to research the compatibility when NaCl,CaCl_2 and Na_2SO_4 are added to concrete with different dosage.The results show that with the dosages of NaCl,CaCl_2,Na_2SO_4 increased,the initial fluidity(decreases) and the loss of fluidity increases.With the same dosage,the influence degree is CaCl_2NaClNa_2SO_4.
【CateGory Index】: TU528.0
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