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Cementitious property modification of basic oxygen furnace steel slag
Abstract In this paper, we propose a new method for modifying the chemical and mineralogical compositions of steel slag by adding industrial wastes to molten basic oxygen furnace steel slag (BOFS). The effects of the composition of the modifying component and the modification parameters on the structure and the cementitious properties of modified steel slag (MSS) are investigated in a laboratory, and a pilot-scale modification research is conducted. Results indicate that the appropriate ratio of BOFS, electric arc furnace steel slag (EAFS) and coal bottom ash in MSS is 85:12.75:2.25. The modification can reduce the free-CaO content of pilot-scale MSS and remarkably improve its cementitious property. The mineralogical composition and the structure of BOFS can be modified by reacting it with EAFS and coal bottom ash at a high temperature generated by the waste heat of the molten steel slag.
Cementitious property modification of basic oxygen furnace steel slag
Abstract In this paper, we propose a new method for modifying the chemical and mineralogical compositions of steel slag by adding industrial wastes to molten basic oxygen furnace steel slag (BOFS). The effects of the composition of the modifying component and the modification parameters on the structure and the cementitious properties of modified steel slag (MSS) are investigated in a laboratory, and a pilot-scale modification research is conducted. Results indicate that the appropriate ratio of BOFS, electric arc furnace steel slag (EAFS) and coal bottom ash in MSS is 85:12.75:2.25. The modification can reduce the free-CaO content of pilot-scale MSS and remarkably improve its cementitious property. The mineralogical composition and the structure of BOFS can be modified by reacting it with EAFS and coal bottom ash at a high temperature generated by the waste heat of the molten steel slag.
Cementitious property modification of basic oxygen furnace steel slag
Li, Zaibo (author) / Zhao, Sanyin (author) / Zhao, Xuguang (author) / He, Tusheng (author)
Construction and Building Materials ; 48 ; 575-579
2013-07-21
5 pages
Article (Journal)
Electronic Resource
English
Cementitious property modification of basic oxygen furnace steel slag
| Online Contents | 2013
Cementitious property modification of basic oxygen furnace steel slag
| British Library Online Contents | 2013
| British Library Online Contents | 2014