Research Article
Experimental Study and Application of LASC Foamed Concrete to Create Airtight Walls in Coal Mines
Table 2
Physical performance of OPC.
| | Fineness (0.08 mm, that formed a residue on square-hole sieve) | Apparent density (kg/m3) | Initial setting time (min) | Final setting time (min) | Compressive strength (MPa) |
| | 8% | 3.06 | 139 | 375 | 1 d | 28 d | | 12.8 | 46.7 |
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