Research Article
Experimental Study on Groutability of Sand Layer concerning Permeation Grouting
Table 2
The basic physical and mechanical properties of the cement used in the tests.
| Cement | Specific surface area (m2/kg) | Initial setting time (h) | Finial setting time (h) | 3 d compressive strength (MPa) | 28 d compressive strength (MPa) |
| PO.42.5 | 385 | 15.1 | 21.5 | 4 | 13 |
|
|