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US 11,325,861 B1Granted
Multi-solid waste activated concrete with high-silicon iron ore tailings and preparation method thereof
AssigneeNortheastern University
InventorsXiaowei Gu, Weifeng Zhang, Hao Wang, Xiaohui Li
Life of this patent
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Abstract
Multi-solid waste activated concretes with high-silicon iron ore tailings and preparation methods thereof are disclosed. In at least some embodiments, the concrete is prepared from raw materials including 360-380 kg/m3 of a cement, 30-40 kg/m3 of fly ash, 30-40 kg/m3 of a modified ultrafine sand of high-silicon iron ore tailings, 930-950 kg/m3 of a waste stone of tailings, 870-930 kg/m3 of a fine sand of tailings, 160-170 kg/m3 of water, and 4-8 kg/m3 of an additive.
Claims17
A multi-solid waste activated concrete with high-silicon iron ore tailings, which is prepared from raw materials comprising
- 360-380 kg/m3 of a cement;
- 30-40 kg/m3 of fly ash;
- 30-40 kg/m3 of a modified ultrafine sand of high-silicon iron ore tailings;
- 930-950 kg/m3 of a waste stone of tailings;
- 870-930 kg/m3 of a fine sand of tailings;
- 160-170 kg/m3 of water;
- and
- 4-8 kg/m3 of an additive.
5 more elements
Dependencies are inferred from the claim text.