Experimental Study on Possibility of Using MSW Slag from Municipal Solid Waste for RC Structures

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  • 鉄筋コンクリート構造における都市ごみ溶融スラグの使用の可能性に関する実験研究

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Currently, a large amount of municipal solid wastes including domestic wastes are finally dumped and therefore the rate of recycling is not high. Technology for the production of MSW slag is being developed to assist in the recycling of these wastes. MSW slag is made from municipal solid wastes by high temperature processing, melting, and solidifying. If the MSW slag is able to be used for RC structures, the municipal solid wastes will contribute to the reduction of the final disposal of wastes. This report conducted some experiments with fine aggregate using MSW slag, and investigated whether MSW slag could be used for RC structures in terms of the seismic performance. Experiments were conducted to examine the flexural, shear, and bond failures of RC beam members. As a result, the RC beam members with MSW slag showed the same seismic performance as those of normal concrete. This indicated that the MSW slag could be used for RC structures in terms of structural performance.

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