Research Article
Development of Steel Fiber-Reinforced Expanded-Shale Lightweight Concrete with High Freeze-Thaw Resistance
Table 1
Physical properties of lightweight sand and manufactured sand.
| | Identifier | Fineness modulus | Particle density (kg/m3) | Bulk density (kg/m3) | 1 h water absorption (%) | Mud content (%) | Stone powder (%) | Methylene blue value (g/kg) |
| | L | 3.56 | 1659 | 946 | 9.0 | 1.5 | — | | | M | 2.50 | 2730 | 1930 | 0.90 | — | 7.9 | 0.75 |
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