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논문 기본 정보

자료유형
학술저널
저자정보
김한석 (재단법인 광주테크노파크) 정병길 (동의대학교) 최영익 (동아대학교) 정진희 (동아대학교) 성낙창 (동아대학교)
저널정보
한국환경기술학회 한국환경기술학회지 한국환경기술학회지 제21권 제5호
발행연도
2020.1
수록면
361 - 371 (11page)

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초록· 키워드

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The main objectives of this research are to stabilize the harmful elements of wastes which are municipal solid waste incinerator (MSWI) ashes (bottom ash and fly ash), and steel slag by means of a solidification method, to evaluate the field applicability by economic assessment and to make the plan for production and application of eco-construction materials for recycle solid wastes through of waste ash brick with weight mixing ratios of solid wastes. The bottom ash (Ba), fly ash (Fa) and steel slag (Ss) were applied to the experiment materials, and the waste ash bricks were manufactured by sorting of raw materials, mixing, transferring, compression, molding and curing processes of them. The compressive strength and water absorption among the bricks were slight differences, but as an overall it was found that the brick with low water absorption showed high compressive strength. It would be efficient to improve the compressive strength for the bricks when the materials such as steel slag and construction waste materials with high density, weight, and low water absorption were used. Followed by analyzing the concentrations of heavy metals from the materials, it was shown that the concentrations of the heavy metals were accorded with the environmental regulations. Also, results of the economic evaluation for the manufactured waste ash bricks (W/C20-Ba70-Fa10 and W/C20-Ba60-Ss10-Fa10) cost 7.9 Won per brick and 16.7 Won per brick, respectively (1 U.S. dollar = 1,200 Won). The waste ash bricks were more competitive than the price and quality when solid waste was used as raw materials.

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