Abstract:This paper studies how a cationic polymer affects the rheological properties of cement pastes containing Nabentonite in the presence of a polycarboxylate superplasticizer (PCE), and the fluidity was also investigated. The Herschel− Bulkley model was applied to fit the rheological data of cement pastes at the beginning and after 1 and 3 h. The results show that the cement pastes exhibit a significant increase in fluidity and turn to be a shear-thickening fluid with the addition of the cationic polymer KN, as in… Show more
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