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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Jong-Chan (Building Structure & Resources Research Division, KICT) Lee, Sae-Hyun (Building Structure & Resources Research Division, KICT) Yoon, Sang-Hyuck (Building Structure & Resources Research Division, KICT) Song, Tae-Hyeob (Building Structure & Resources Research Division, KICT)
저널정보
한국건축시공학회 한국건축시공학회지 한국건축시공학회지 제11권 제5호
발행연도
2011.1
수록면
515 - 522 (8page)

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As Construction and Demolition (C&D) debris increases every year, systems have been adopted to compel the use of recycled aggregate made from C&D debris, and the use of recycled aggregate in the construction field has increased. But environmental problems linked to the alkalinity of recycled aggregate have occurred, and a study on approaches to lower the alkalinity of recycled aggregate is needed. It was certified by this study that a large amount of recycled aggregate could be carbonated in the C&D debris midterm-treatment field. As a result, the density and the water absorption of recycled aggregate after carbonation reaction was improved, and pH of recycled aggregate was lowered from over 11 to 9.4. X-ray Diffraction (XRD), Scanning Electron Microscope (SEM), Energy Dispersive Spectroscopy (EDS), and Thermogravimetry/Differential Thermal Analysis (TG/DTA) methods also indicated the carbonation of recycled aggregate.

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