Research Article
Experimental Study and Application of LASC Foamed Concrete to Create Airtight Walls in Coal Mines
Figure 7
SEM image of LASC cured foam filling material when molded for seven days. (a) FGS 1. (b) FGS 2. (c) FGS 3.
| (a) |
| (b) |
| (c) |
| (a) |
| (b) |
| (c) |