Abstract:It is important to select a certain type and amount of a superplasticizer (SP) for successful cement applications in concrete. The results show that the SPs ((lignosulphonates (LS), polyacrylates (PA) and polycarboxylates (PCE)) especially differ by their electrical conductivity (EC) values (from 2.5 to 4 times) and mostly influence the spreadability, viscosity, temperature and hydration course of the cement paste with an SP. Compared to the pure cement paste's viscosity, all the tested amounts of LS, PA and P… Show more
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