Journal of the Korea Institute of Building Construction (한국건축시공학회지)

The Korean Institute of Building Construction (한국건축시공학회)
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Quality Evaluation of Basalt Aggregates from JEJU Island

제주산 현무암의 콘크리트용 골재 사용을 위한 품질 특성 평가

  • Jang, Myung-Houn (Department of Architectural Engineering, Jeju National University) ;
  • Choi, Hee-Bok (Department of Architectural Engineering, Jeju National University)
  • Received : 2013.04.03
  • Accepted : 2013.05.21
  • Published : 2013.10.20
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Abstract

This study was carried out to assess the suitability in terms of the standards of material quality of basalt aggregates from JEJU Island as a source for concrete aggregate. Quality assessments on the basalt aggregates were performed to assess the soundness of coarse aggregates using sodium sulfate solution, aggregate crushing test, and Los Angeles abrasion test. In addition, XRD, XRF, porosity, and compressive and tensile strength tests were performed to analyze the chemical components and the mechanical properties. In general, the mechanical properties of basalt aggregates from some areas did not meet the Korea Standards (KS), but the levels of compressive and tensile strength were higher than those of granite, andesite, and sandstone of other regions.

본 연구는 제주도 현무암 골재에 대해 콘크리트용 굵은 골재로서의 품질기준의 적합성을 평가하였다. 골재의 품질 평가는 KS 기준에서 요구하는 골재안정성, 골재마모저항성, 골재파쇄성 실험을 하였다. 더불어, 현무암 골재의 성분 분석을 위해 XRD, XRF, Porosity를 분석하였으며, 현무암의 강도는 콘크리트용 굵은 골재로서 다른 지역에서 주로 사용되는 화강암, 안산암 그리고 사암의 압축 및 인장강도 결과 값과 비교 평가하였다. 전반적으로, 골재의 기계적 특성 평가 결과, 일부 지역의 현무암 골재는 KS 기준을 만족하지 못하였다. 그러나 제주지역의 현무암의 압축강도와 인장강도는 타 지역의 암석보다 높았다.

Keywords

References

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