Research Article
Shrinkage and Strength Properties of Coal Gangue Ceramsite Lightweight Aggregate Concrete
Table 3
Physical properties of the cement.
| | Setting time (min) | Stability | Flexural strength (MPa) | Compressive strength (MPa) | Fineness 80 μm sieve residue (%) | Density (g/m3) | | Initial setting | Final setting | 3 d | 28 d | 3 d | 28 d |
| | 204 | 312 | Qualified | 3.8 | 6.5 | 18.3 | 40.1 | 5.6 | 3.03 |
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