Research Article
The Concrete Performance with Iron Tailings Sand Modified by Polypropylene Fibers under Aggressive Environment
Table 1
Parameter indexes of NS and ITS.
| | Fine aggregate | Apparent density (kg/m3) | Bulk density (kg/m3) | Water absorption (%) | Fine powder composition | Iron phase 6minerals (%) |
| | Natural sand | 2650 | 1410 | 1.6 | Soil | 2 | | ITS | 3270 | 1740 | 3.9 | Stone powder | 9 |
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