Research Article
Effect of Superabsorbent Polymer (SAP) Internal Curing Agent on Carbonation Resistance and Hydration Performance of Cement Concrete
Table 3
Mix proportion of internal curing pavement concrete.
| Concrete type | SAP | /(kg/m3) | SAP dosage/kg | Compositions of pavement concrete/(kg/m3) | Cement | Water | Sand | 4.75–9.5 mm Coarse | 9.5–19 mm Coarse | Water reducer |
| S-Non | - | 0 | - | 487 | 180.2 | 776 | 790 | 198 | 4.87 | S-20-0.200% | SAP-20 | 16.75 | 0.974 | S-150-0.200% | SAP-150 | 11.98 | 0.974 | S-100-0.170% | SAP-100 | 11.76 | 0.828 | S-100-0.200% | 13.83 | 0.974 | S-100-0.225% | 15.56 | 1.096 |
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