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An Experimental Study on the Optimized Mixture of Light-weight Aggregate Mortar for Plaster with Gypsum (석고를 혼입한 경량 모르타르 바름재의 최적배합 도출에 관한 실험적 연구)

  • Lee, Hyun-Woo;Ji, Suk-Won;Kim, Heung-Youl;Seo, Chee-Ho
    • Proceedings of the Korea Concrete Institute Conference
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    • 2009.05a
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    • pp.371-372
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    • 2009

  • This study is focused on deducing the optimized mixture of light-weight aggregate mortar for fire resistance plaster using gypsum, as it's a fundamental study for development of light-weight aggregate mortar.

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Hardened properties of the cement based Basalt powder sludge mortar for surface preparation (시멘트계 바탕 바름재용 현무암 석분슬러지 모르타르의 경화 특성)

  • Jang, Myung-Houn;Choi, Heebok
    • Journal of the Korea Institute of Building Construction
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    • v.15 no.5
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    • pp.451-456
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    • 2015

  • This study aimed to evaluate of the hardened properties (mortar consistency, setting time, absorption properties, drying shrinkage, and bond strength) of the basalt powder sludge mortar recycling a basalt powder sludge occurred during the manufacture process of basalt stone as a replacing material for the sea-sand used to cement filling compound for surface preparation. The hardened mortar made of the basalt powder sludge showed an enhanced performance or similar with the properties of normal mortar used to cement filling compound for surface preparation. But, the drying shrinkage was increased more than a normal cement mortar in the hardened mortar made of the basalt powder sludge since curing 8 - 9days. And the bond strength is low in the hardened mortar used the basalt powder sludge. On the whole, properties of the hardened mortar used the basalt powder sludge correspond to the required minimum quality criterion in the KS F 4716 'cement filling compound for surface preparation'.

  • https://doi.org/10.5345/JKIBC.2015.15.5.451 인용 PDF KSCI