Research Article
Experimental Study on Lead-Smelting Slag as Paste Filling Cementing Material
Table 2
Chemical composition of the binder material.
| | Item | Chemical composition (%)
Bulk density (t/m3)
Porosity (%)
Natural repose angle (°) | | CaO | MgO | Al₂O₃ | SiO₂ | SO₃ | FeO | Others |
| | PC32.5 cement | 61.55 | 1.98 | 6.09 | 24.65 | 2.02 | 2.78 | 0.93 | | Cement clinker | 63.18 | 2.79 | 5.22 | 21.36 | - | 6.13 | 1.32 | | Water quenching slag | 43.15 | 6.16 | 14.5 | 27.77 | 1.02 | 3.21 | 4.19 | | Lead-smelting slag | 18.97 | 4.79 | 6.88 | 26.98 | - | 30.26 | 12.12 |
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