• Title/Summary/Keyword: Alkali-activated slag-red mud soil pavement

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Efflorescence Characteristics of Alkali-Activated Slag-Red Mud Soil Mixed Pavement of Red Mud Substitution Rate (알칼리활성화 슬래그-레드머드 흙포장재의 레드머드 대체율에 따른 백화 특성)

  • Kang, Hye Ju;Lee, Yeong;Oh, Du Yeon;Lee, Gyu Yeong;Kang, Suk Pyo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2015.11a
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    • pp.153-154
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    • 2015
  • This study is alkali-activated slag-red mud soil mixed pavement of efflorescence characteristics analysis of mitigation measures is drawn to the red mud substitution rate in accordance with the alkali-activated slag-red mud soil mixed pavement of efflorescence characteristics were exhibited. As a result of alkali-activated slag-red mud soil mixed pavement is more substitution rate increases appeared to efflorescence is increased.

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Porosity of Alkali-Activated Slag-Red Mud Soil Mixed Pavement of Red Mud Substitution Rate (알칼리활성화 슬래그-레드머드 흙포장재의 레드머드 대체율에 따른 기공특성)

  • Kang, Hye Ju;Kim, Byeong gi;Kim, Jae Hwan;Kang, Suk Pyo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2016.10a
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    • pp.91-92
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    • 2016
  • Red mud is an inorganic by-product produced from the mineral processing of alumina from Bauxite ores. the development of alkali-activated slag-red mud cement can be a representative study aimed at recycling the strong alkali of the red mud as a construction material. This study is to investigate the pore characteristics of alkali-activated slag-red mud soil pavement according to the red mud content. The results showed that the porosity of alkali-activated slag-red mud soil pavement increased but the compressive strength of that decreased as the red mud content increased.

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Properties of Alkali-activated Slag-Red Mud Soil Pavement Using Recycled Aggregate (순환골재를 사용한 알칼리활성화 슬래그-레드머드 흙포장재의 특성)

  • Kang, Suk-Pyo
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.4 no.3
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    • pp.276-283
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    • 2016
  • Red mud is an inorganic by-product produced from the mineral processing of alumina from Bauxite ores. the development of alkali-activated slag-red mud cement can be a representative study aimed at recycling the strong alkali of the red mud as a construction material. This study is to investigate the optimum water content, compressive strength, moisture absorption coefficient and efflorescence of alkali-activated slag-red mud soil pavement according to the recycling fine aggregate content. The results showed that the optimum water content, moisture absorption coefficient and efflorescence area of alkali-activated slag-red mud soil pavement increased but the compressive strength of that decreased as the recycled fine aggregate content increased.

Characteristics of Soil Pavement by Red Mud Content and Binder Type (레드머드 대체율에 따른 결합재별 흙포장재의 특성)

  • Kang, Suk-Pyo;Kang, Hye-Ju;Kim, Jae-Hwan;Kim, Byeong-Ki
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.5 no.1
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    • pp.37-44
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    • 2017
  • Red mud is an inorganic by-product produced from the mineral processing of alumina from Bauxite ores. The development of alkali-activated slag-red mud cement can be a representative study aimed at recycling the strong alkali of the red mud as a construction material. This study is to investigate the optimum water content, compressive strength, water absorption and efflorescence of alkali-activated slag-red mud soil pavement according to binder type. The results showed that the optimum water content, moisture absorption coefficient and efflorescence area of alkali-activated slag-red mud soil pavement increased but the compressive strength of that decreased as the redmud content increased.

Field Application Assessment of Alkali-Activated Slag-Red Mud Soil Mixed Pavement (알칼리활성화 슬래그-레드머드 흙포장재의 현장 적용평가)

  • Kang, Hye Ju;Hwang, Byuong Il;Kim, Jae Hwan;Kang, Suk Pyo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2017.05a
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    • pp.107-108
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    • 2017
  • In this search, by evaluating the field applicability of soil mixed pavement of Red mud is mixed into the soil mixed pavement field applicability, and tries to present the basic data about the site application of recycling of red mud and low carbon construction material to. As a result, the conventional soil concrete organization standards (SPS-KSCICO-001: 2003) meets the criteria for parking lot, making use of red mud, natural color as well as the natural loess is expressed.

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Compaction Characteristic of Alkali Activated Slag-Red Mud Dry Pavement with Red Mud (레드머드 첨가에 따른 알칼리활성화 슬래그-레드머드 건식 흙포장재의 다짐 특성)

  • Kang, Hye Ju;Lee, Hu Seok;Hwang, Byuong Il;Kang, Suk Pyo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2017.11a
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    • pp.28-29
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    • 2017
  • For this study, alkali-activated slag red-mud pavement is manufactured to examine the usability of red-mud as a recycling material in the construction industry. In the compaction curve in terms of the replacement ratio of red mud by binder type, the dry density changed gradually depending on the water content, which implies that there is no distinct difference in compaction according to the replacement ratio of red mud. The compressive strength at 28 days was observed to be 18.9~27.0MPa in ASS, and 18.4~28.8MPa in OPC, showing a similar level between the specimens.

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