Research Article
Study on Solidification Characteristics of Granular Coal Gangue: Fine Sand Paste-Cemented Filling Materials
Table 3
Physical properties indexes of cement.
| | Specific gravity | Loose bulk density (kg‧m⁻³) | Dense bulk density (kg‧m⁻³) | Maximum porosity
(%) | Minimum porosity
(%) | Maximum void ratio | Minimum void ratio | Angle of repose (°) |
| | 3.09 | 980.5 | 1775.3 | 68.269 | 42.546 | 2.151 | 0.741 | 33.57 |
|
|
