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http://dx.doi.org/10.14478/ace.2014.1044

Characteristics of Concrete Polymer Composite Using Atomizing Reduction Steel Slag as an Aggregate (II) (Use of Polystyrene as a Shrinkage Reducing Agent)  

Hwang, Eui-Hwan (Department of Chemical Engineering, Kongju National University)
Kim, Jin-Man (Department of Architecture, Kongju National University)
Publication Information
Applied Chemistry for Engineering / v.25, no.4, 2014 , pp. 380-385 More about this Journal
Abstract
Spherical atomizing reduction steel slag was prepared by atomizing technology using reduction steel slag (ladle furnace slag, LFS) generated from steel industry. In order to develop the mass-recycling technology of atomizing reduction steel slag, polymer concrete composite was prepared using spherical atomizing reduction steel slag instead of fine aggregate (river sand) and coarse aggregate (crushed aggregate), depending on the grain size. Different polymer concrete specimens were prepared with the various proportions of polymer binder and replacement ratios of atomizing reduction steel slag in order to investigate the characteristics of polymer concrete composite. Results showed that compressive strengths of polymer concrete specimens decreased with the increase of replacement ratios of atomizing reduction steel slag, but flexural strengths of the specimens showed a maximum strength at the 50% of replacement ratios of atomizing reduction steel slag. It was concluded that addition ratio of polymer binder, which affect greatly on the prime cost of production of polymer concrete, could be reduced by maximum 18.2 vol% because the workability of the polymer concrete was remarkably improved by using the atomizing reduction steel slag. However, further study is required because the mechanical strength of the specimen using atomizing reduction steel slag was greatly reduced in hot water resistance test.
Keywords
polymer concrete composite; atomizing reduction steel slag; polymer-binder; replacement ratios; recycling;
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