자원환경지질 (Economic and Environmental Geology)

  • 제48권4호
  • /
  • Pages.351-360
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  • 2015
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  • 1225-7281(pISSN)
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  • 2288-7962(eISSN)
대한자원환경지질학회 (The Korean Society of Economic and Environmental Geology)
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지반조사에 의한 함안군 도항리 6호 고분 특성 규명

Characterizing Hamangun Dohangri 6th Tumulus Using Ground Survey

  • 이현재 (부산대학교 지질환경과학과) ;
  • 함세영 (부산대학교 지질환경과학과) ;
  • 박삼규 (한국지질자원연구원 광물자원연구본부) ;
  • 이충모 (부산대학교 지질환경과학과) ;
  • 오윤영 (부산대학교 지질환경과학과) ;
  • 웨이밍량 (부산대학교 지질환경과학과)
  • Lee, Hyun-Jae (Division of Earth Environmental System, Pusan National University) ;
  • Hamm, Se-Yeong (Division of Earth Environmental System, Pusan National University) ;
  • Park, Samgyu (Mineral Resource Research Division, Korea Institute of Geoscience and Mineral Resources) ;
  • Lee, Chung-Mo (Division of Earth Environmental System, Pusan National University) ;
  • Oh, Yun-Yeong (Division of Earth Environmental System, Pusan National University) ;
  • Liang, Wei Ming (Division of Earth Environmental System, Pusan National University)
  • 투고 : 2015.03.20
  • 심사 : 2015.07.17
  • 발행 : 2015.08.28
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초록

지질학적, 물리탐사기법, 지질공학적 방법을 통하여 함안군 도항리 6호고분의 축조 형태, 고분 축조에 사용된 재료의 원산지와 공학적 성질, 봉분과 석실부에 대한 안정성 등을 고찰하였다. 고분의 기반암인 함안층은 풍화를 받아 인력으로 굴착이 용이한 암반 특성을 나타내었다. 전기비저항 탐사에 의하면 봉분은 토사부를 나타내는 저비저항대와 암석편의 함량이 많은 암석부의 고비저항대로 구분되었다. 대부분의 석실부 개석은 함안층과 동일한 암석으로 구성되어 있으나, 개석의 일부는 연구지역의 최남단에서 산출되는 흑운모화강암과 동일하다. 토질 시험에 의하면, 봉분의 토사부는 낮은 함수비, 낮은 간극비, 적정한 단위중량으로 보아 다짐 정도가 매우 높은 재료임을 지시한다. 또한 봉분의 암석부의 강도는 일반적인 암반의 전단강도를 초과하고 있어 매우 안정성 있게 유지되고 있는 것으로 해석된다.

Hamangun Dohangri $6^{th}$ tumulus was characterized by using geological, geophysical, and geotechnical surveys in terms of the shape of the tombs, origin and geotechnical properties of tomb materials, safety of grave mound and burial chamber. The bedrock (Haman Formation sedimentary rock) forming the ground of the tomb, is weathered such that men can excavate the ground. The mound tomb is classified into soil part and rock part by low resistivity and high resistivity, respectively, through electrical resistivity survey. The burial chamber is mostly made by Haman Formation while some part is composed of granitic rock that is distributed in the most southern district of the study area. According to soil tests, the soil part of mound tomb shows low water content, low pore ratio, and proper unit weight that indicate highly compacted material. Additionally, the mound tomb is safe because the strength of the rock part of the mound tomb exceeds that of general rock.

키워드

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