Research Article
Self-Shrinkage Behaviors of Waste Paper Fiber Reinforced Cement Paste considering Its Self-Curing Effect at Early-Ages
Table 6
The content of Ca(OH)2 of cement pastes under different conditions.
| | Project | W/C | Adding dosage (%) | Curing age (d) | Mass change (%) | Ca(OH)2 (%) |
| | A0 | 0.25 | — | 7 | −2.43 | 9.99 | | A1 | 0.25 | 0.1 | 7 | −2.48 | 10.20 | | A2 | 0.25 | 0.2 | 7 | −2.69 | 11.06 | | A3 | 0.25 | 0.3 | 1 | −2.24 | 9.21 | | A3 | 0.25 | 0.3 | 7 | −2.51 | 10.32 | | A3 | 0.25 | 0.3 | 28 | −2.67 | 10.98 | | A4 | 0.25 | 0.4 | 7 | −2.50 | 10.28 | | B0 | 0.3 | — | 7 | −2.83 | 11.63 | | B2 | 0.3 | 0.2 | 7 | −2.87 | 11.80 | | B5 | 0.3 | 0.2 | 7 | −2.85 | 11.72 |
|
|
B5: dry mixing; other samples: wet mixing.
|
