Research Article
Experimental Study and Microscopic Analysis on Frost Resistance of Iron Ore Tailings Recycled Aggregate Concrete
Table 4
Mixed proportions of concrete.
| | Kings | Cement (kg/m3) | Natural sand (kg/m3) | IOT (kg/m3) | Air-entrained agent (A-EA) (%) | NCA (kg/m3) | RCA (kg/m3) | Water (kg/m3) |
| | RAC0-IOT0 | 512.50 | 504.75 | 0.00 | 0.02 | 1177.75 | 0.00 | 205.00 | | RAC0-IOT3 | 512.50 | 353.33 | 151.43 | 0.02 | 1177.75 | 0.00 | 205.00 | | RAC0-IOT5 | 512.50 | 252.38 | 252.38 | 0.02 | 1177.75 | 0.00 | 205.00 | | RAC0-IOT7 | 512.50 | 151.43 | 353.33 | 0.02 | 1177.75 | 0.00 | 205.00 | | RAC3-IOT0 | 512.50 | 504.75 | 0.00 | 0.02 | 824.43 | 353.33 | 205.00 | | RAC3-IOT3 | 512.50 | 353.33 | 151.43 | 0.02 | 824.43 | 353.33 | 205.00 | | RAC3-IOT5 | 512.50 | 252.38 | 252.38 | 0.02 | 824.43 | 353.33 | 205.00 | | RAC3-IOT7 | 512.50 | 151.43 | 353.33 | 0.02 | 824.43 | 353.33 | 205.00 | | RAC5-IOT0 | 512.50 | 504.75 | 0.00 | 0.02 | 588.88 | 588.88 | 205.00 | | RAC5-IOT3 | 512.50 | 353.33 | 151.43 | 0.02 | 588.88 | 588.88 | 205.00 | | RAC5-IOT5 | 512.50 | 252.38 | 252.38 | 0.02 | 588.88 | 588.88 | 205.00 | | RAC5-IOT7 | 512.50 | 151.43 | 353.33 | 0.02 | 588.88 | 588.88 | 205.00 | | RAC7-IOT0 | 512.50 | 504.75 | 0.00 | 0.02 | 353.33 | 824.43 | 205.00 | | RAC7-IOT3 | 512.50 | 353.33 | 151.43 | 0.02 | 353.33 | 824.43 | 205.00 | | RAC7-IOT5 | 512.50 | 252.38 | 252.38 | 0.02 | 353.33 | 824.43 | 205.00 | | RAC7-IOT7 | 512.50 | 151.43 | 353.33 | 0.02 | 353.33 | 824.43 | 205.00 |
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