Research Article
Use of Secondary Crystallization and Fly Ash in Waterproofing Materials to Increase Concrete Resistance to Aggressive Gases and Liquids
Table 3
Composition of polymer cement screed (SC);
percentual substitute for cement was based on the initial dose 270 kg/m
3 of cement.
| | Material | Dosage (kg) |
| | Cement EN 197-1 CEM II/A-S 42.5 R | 248 | | Silica sand | 450 | | Ground limestone | 250 | | Silica filler | 120 | | Polymeric dispersion powder on vinyl acetate and ethylene base | 3.5 | | Polypropylene fibres | 0.5 | | Water | 220 | | Superplasticizer on polycarboxylates base | 1 | | Carboxymethyl cellulose | 1 | | Fly ash (10%) | 27.5 | | Xypex Admix (2%) | 5.4 |
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