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A Study on Characteristics of Leachability and Compressive Strength of Incinerator Fly Ash, Cement and Waste Stone Powder by Solidification  

Jung, Ho-Young (Department of Environmental Engineering, Graduate School, Kyungpook National University)
Kim, Young-Ju (Department of Environmental Engineering, Graduate School, Kyungpook National University)
Kim, Ji-Hoon (Department of Environmental Engineering, Graduate School, Kyungpook National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.30, no.5, 2008 , pp. 560-566 More about this Journal
Abstract
In this paper, the solidification behaviour and compressive strength of fly ash, cement, and waste stone powder were studied each separately and with addition of each in different proportions. And also, we assessed stabilizing ability of waste stone powder in cement which was added in fly ash. The particle size of waste stone powder was found smaller than the fly ash and cement particle sizes. Moreover, when mixing all(fly ash, cement, and waste stone powder) showed distinctive crystal structure, and improved stiffness. In case of mixing fly ash, cement and waste stone powder in different proportions, the compressive strength was exceeded to the predicted compressive strength of 10 kgf/cm$^2$. The XRD analysis showed high contents of CaO in fly ash and SiO$_2$ in case of waste stone powder sample. Heavy metal emission experiment showed the 3mg/L of Pb after 14 days of mixing 150 kg/m$^3$ of cement with the 80$\sim$100 kg/m$^3$ of waste stone powder, which is fulfilling the National Waste Management Policy.
Keywords
Solidification; Compressive strength; Fly Ash; Cement; Waste Stone Powder;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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