지질공학 (The Journal of Engineering Geology)

  • 제7권3호
  • /
  • Pages.229-245
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  • 1997
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  • 1226-5268(pISSN)
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  • 2287-7169(eISSN)
대한지질공학회 (The Korean Society of Engineering Geology)
권호 표지

지하유류비축시설 수리안정성 평가방안

Hydrogeological Performance Assessment for Underground Oil Storage Caverns

  • 발행 : 1997.12.01
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⟨ 이전 논문 다음 논문 ⟩

초록

대규모의 암반 공동을 이용하는 대표적 시설이 지하유류비축시설과 방사성폐기물처분시설은, 공히 암반이 갖는 천연적인 방벽기능과 안정성 확보를 위한 보장 조치로서 인공방벽시설을 설치한다느 공통점이 있다. 지하유류비축시설의 설계,건설 및 운영의 각 단계에서 모암에 분포한는 지질구조와 그들의 수리학적 특성이 시설이 안전성 및 성능에 가장 중요한 역할을 한다. 시설 설치가 가능한 규모의 암반 block 내에 분포된 단열체제는 고유의 기하학적 특성과 수리적 특성이 혼재되어 복합적인 수리체계를 형성하고 있기 때문에 이에 대한 정확하고 정량적인 조사.평가가 지하비축시설의 수리적 안정성을 좌우하게 된다. 본 논문은 지하유류비축시설의 성능평가에서 요구되는 자연방벽의 수밀성 기능을 평가하기 위하여 지하문체계의 해석과정에서 고려되어야 할 문제점들을 우선 검토하고, 시설의 안전한 운영을 위하여 다루어져야 할 수리 안정성관련 파라메테에 대한 조사 및 평가방법을 다룬다.

There are Common aspects between the underground oil storage cavern and the radioactive waste disposal facility. Both facilities use appropriately the intrinsic natural berrier characteristics of the rock mass and additionally the engineered barrier system for the long term safety. The geological structures and their hydrogeological characteristics in a faactured rock mass act a major role in the safety and performance of the underground oil storage facility through the design, construction and the operation stages. Because the fracture system distributed in a fractured rock block is complicated owing to their own geometrical and hydrogeological attributes, the hydrogeological perforrmrnce of the facility would depend mainly upon the understandings of their characteristics. This study reviews the uncertainties and key issues which have to be considered to analyse the groundwater flow system in a fractured rock mass and proposes the techniques applicable to characterize the hydrogeological parameter.

키워드

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