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In South Korea, about 900 metal mines have been abandoned, and about 88 million-t metal mine wastes have been discarded in recent years. The treatment of the tailings which are the main wastes in the abandoned metal mines becomes social problem because they cause environmental pollution such as acidic waste water generation, groundwater contamination, and dust generation. Since almost whole quantities of the tailings have disposed by landfill now, the development of effective recycling methods for the tailings are strongly requested. It is expected that the fine tailings obtained by centrifugal separation process among the tailings can be utilized as admixture for cement. The purpose of this study is to evaluate the carbonation of cement mortar admixed with fine tailing. Various admixtures were made of Fine tailings and 2 Types of OPC, fly-ash and blast furnace slag. The hydration reactivity of cement mortar with FT was examined by XRD and SEM morphology analysis.
The analytical result about hardened hydrates shows that waste fine tailing help hydrates none densified due to it's filling-space, These denesified effect is concluded with improving the resistance to carbonation attack of cement mortar including waste fin tailing.

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1. 서론
2. 실험
3. 실험 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2009-540-017420997