Research Article
Synthesis of Pectiniform Polyurethane-Modified Polycarboxylate and Its Preliminary Application in Ultrahigh-Performance Concrete
Table 5
Compressive strength of UHPC.
| Number | Compressive strength (MPa) | M-PCE | Sika | 3 d | 28 d | 3 d | 28 d |
| N1 | 71.6 | 107.4 | 74.8 | 108.8 | N2 | 74.5 | 100.9 | 82.1 | 115.4 | N3 | 70.0 | 115.5 | 83.7 | 123.3 | N4 | 66.7 | 116.3 | 64.4 | 118.8 | N5 | 71.2 | 101.4 | 80.4 | 113.7 | N6 | 70.9 | 99.5 | 78.3 | 107.4 | N7 | 64.7 | 118.6 | 84.8 | 126.9 | N8 | 76.9 | 112.5 | 72.4 | 113.8 | N9 | 81.0 | 117.4 | 86.9 | 115.6 | N10 | 79.3 | 104.6 | 81.5 | 101.5 | N11 | 77.6 | 119.4 | 89.3 | 116.9 | N12 | 80.0 | 117.4 | 80.0 | 112.5 | N13 | 85.8 | 108.5 | 83.8 | 106.2 | N14 | 82.7 | 110.3 | 84.7 | 117.9 | N15 | 86.4 | 118.7 | 83.6 | 109.1 |
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