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http://dx.doi.org/10.11112/jksmi.2010.14.3.144

A Fundamental Study on the Material Characteristic of Micro-Admixture for Cement using Phosphogypsum and Kaolin  

Oh, Hong-Seob (진주산업대학교 토목공학과)
Park, Jong-Tak (부경시멘트)
Lee, Won-Hong (진주산업대학교 토목공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.14, no.3, 2010 , pp. 144-151 More about this Journal
Abstract
In this study, it is investigated the mechanical chemical properties of cement matrix using phosphogypsum and kaolin as a admixture for the substitutive materials to silica fume which is so expensive. For the test, phosphogypsum is modified as dihydrate, hemihydrate, type III anhydrite, and type II anhydrite, respectively and furnaced kaolin at $900^{\circ}C$ was also manufactured into meta kaolin by air cooling and water cooling method. The chemical characteristic and mechanical properties of various type of blended cements contained above mentioned gypsum and meta kaolin materials analyzed and compared with those characteristics of cement matrix with silica fume. From the test, the cement mixed meta kaolin made in water cooling has more excellent quality than other material.
Keywords
Chemical characteristic; Kaolin; Mechanical properties; Phosphogypsum;
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Times Cited By KSCI : 1  (Citation Analysis)
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