Research Article
Self-Shrinkage Behaviors of Waste Paper Fiber Reinforced Cement Paste considering Its Self-Curing Effect at Early-Ages
Table 7
Cumulative porosity of cement paste under different conditions.
| Code | W/C | Adding dosage (%) | Curing age (days) | Cumulative porosity (%) | <50 nm | 50 nm~100 nm | >100 nm | Total porosity |
| A0 | 0.25 | — | 7 | 4.45 | 8.66 | 3.02 | 16.13 | A1 | 0.25 | 0.1 | 7 | 4.34 | 8.36 | 2.25 | 14.95 | A2 | 0.25 | 0.2 | 7 | 4.42 | 8.24 | 0.88 | 13.54 | A3 | 0.25 | 0.3 | 1 | 6.10 | 8.99 | 3.85 | 18.94 | A3 | 0.25 | 0.3 | 7 | 3.70 | 8.76 | 2.06 | 14.52 | A3 | 0.25 | 0.3 | 28 | 2.23 | 7.56 | 1.43 | 11.22 | A4 | 0.25 | 0.4 | 7 | 3.36 | 9.29 | 2.71 | 15.36 | B0 | 0.3 | — | 7 | 6.15 | 7.84 | 5.22 | 19.21 | B2 | 0.3 | 0.2 | 7 | 6.03 | 6.22 | 3.95 | 16.13 | B5 | 0.3 | 0.2 | 7 | 6.34 | 7.43 | 4.89 | 18.66 |
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B5: dry mixing; other samples: wet mixing.
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