ごみ溶融スラグ微粉末のコンクリート用混和材への適用に関する実験的検討

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  • Experimental Study on the Utilization of Melting Slag Powder from Municipal Solid Waste as Concrete Admixture
  • ゴミ ヨウユウ スラグ ビフンマツ ノ コンクリートヨウ コンワザイ エ ノ テキヨウ ニ カンスル ジッケンテキ ケントウ

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The objective of this study is to find whether or not it is possible to use melting slag powder from municipal solid waste (MSW slag powder) as a concrete admixture. In this paper, MSW slag powder (blaine's specific surface area=3, 920cm2/g) made by coke-bed melting processes was examined.-I inspected the quality of the MSW slag powder and properties of mortar, and concrete that used the MSW slag powder in research. As a result, the following have been clarified:(1) The chemical compositions of the MSW slag is same of that of blast-furnace slag, but the alkali content is much more than that of it.(2) T he slag elutes hardly any heavy metals at all.(3) MSW slag powder has the characteristics equivalent to the blast-furnace slag powder (flow value, stable, setting time, early period heat of hydration, strength, Freeze-thaw resistance).

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