Experimental Study on the Fine Iron Ore Tailing Containing Gypsum as Backfill Material | Zendy

Daiqiang Deng | Zendy; Guodong Cao | Zendy; Zhang You-xuan | Zendy

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Experimental Study on the Fine Iron Ore Tailing Containing Gypsum as Backfill Material

Author(s) -

Daiqiang Deng,

Guodong Cao,

Zhang You-xuan

Publication year - 2021

Publication title -

advances in materials science and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.356

H-Index - 42

eISSN - 1687-8442

pISSN - 1687-8434

DOI - 10.1155/2021/5576768

Subject(s) - slurry , materials science , fineness , gypsum , metallurgy , iron ore , tailings , portland cement , rheology , cement , compressive strength , composite material

The strength of the filling body is largely affected by the properties of the binder, mineral composition, fineness, and slurry concentration of tailing. In this paper, the rheological test was conducted to determine the slurry concentration of iron ore tailing containing gypsum. Then, the samples made from slurry and three binders, Portland cement, filling plant binder, and Huazhong binder, were tested, respectively. The effects of curing time, binder-tailing ratio by mass (b/t), and slurry concentration on compression strength were investigated. The sample made from Huazhong binder and iron ore tailing presented the largest compression strength.

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