Table 5. Materials Ratio.
| group | cement/g | sand/g | water/g | microcapsule ratio/% | microcapsule content/g |
|---|---|---|---|---|---|
| 1 | 270 | 810 | 270 | 0 | 0 |
| 2 | 270 | 810 | 270 | 2 | 5.4 |
| 3 | 270 | 810 | 270 | 4 | 10.8 |
| 4 | 270 | 810 | 270 | 6 | 16.2 |
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