Research Article
Investigation on the Deterioration Mechanism of Recycled Plaster
Table 3
Properties of POP and R-P under the same preparation process.
| Gypsum | SSA (m2·kg−1) | W/P | Setting time (min) | 2 h strength (MPa) | Dry strength (MPa) | Water absorption (%) | Initial | Final | Flexural | Compressive | Flexural | Compressive |
| POP | 452 | 0.63 | 8.5 | 13.5 | 2.94 | 5.95 | 5.29 | 10.08 | 29.50 | R-P | 1114 | 0.85 | 33 | 46 | 1.66 | 2.94 | 2.70 | 4.80 | 40.65 |
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