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Engineering Performance of Extruded Fly Ash Cement Panel with Bottom Ash
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 Title & Authors
Engineering Performance of Extruded Fly Ash Cement Panel with Bottom Ash
Lee, Myeong-Jin; Kim, Jin-Man; Han, Dong-Yeop; Choi, Duck-Jin; Lee, Keun-Woo;
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The aim of this research is providing the fundamental data for treating and recycling the byproducts by using the wet processed bottom ash as a fine aggregate replacement for cement-based extruded panel. Although the cement-based extruded panel was used mainly as a cladding component with its high strength and outstanding durability, it was hardly spread because of low economic feasibility due to the high cost of additives or fibers which were used to achieve 14 MPa of flexural strength as a cladding material. As a solution of this drawback, by the previous research, it was possible to replace cement by fly ash up to 80 % by decreasing quality criteria with restricting the application to indoor purpose. In this research, based on the previous research, by using the bottom ash as a replacement of fly ash, improvement of shape retention performance is tried. As a result of the experiment on evaluating the optimum content and PSD of bottom ash, as the fineness modulus and content of bottom ash was increased, the extruding performance was decreased and penetration resistance was increased. Additionally, the optimum content and the maximum particle size was found as 20 %, and 0.3 mm, respectively.
Bottom ash;Fine aggregate;Aggregate replacement;Aggregate size;
 Cited by
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