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Table 1 Mix proportions.

From: Prediction of Concrete Pumping Using Various Rheological Models

Materials Design strength
Series name C50
Cement CEM I 52.5 N (kg/m3) 225
Fly ash class F (kg/m3) 50
Blast furnace slag (kg/m3) 225
W/B ratio 0.33
Sand (kg/m3) 736
Coarse aggregate (kg/m3) 871
% Polycarboxylate-based HRWRA 0.9
Slump flow (mm) 620 ± 20