• Title/Summary/Keyword: Potential slide block

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GIS based Infinite slope stability analysis : case study of boeun area (GIS를 활용한 무한사면 안정성 해석 기법 연구)

  • 이연희;정영국;박혁진;이사로;장범수;전귀현
    • Proceedings of the Korean Geotechical Society Conference
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    • 2003.03a
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    • pp.475-480
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    • 2003
  • Traditionally, the statistical methods analyze the relationship between landslide occurrence and related factors(soil depth, soil strength, slope angle, vegetation, etc.) in GIS technique. However, those methods have no mechanical meaning. Therefore, the deterministic model is suggested in this research. The method analyzes the mechanical equilibrium of a potential slide block and then calculates a slope safety factor. Since this method is able to consider the balance of forces applied to the slope and is a more reasonable method for an individual site. In this research, the spatial data is obtained, managed and analyzed using GIS technique. The infinite slope model is used to evaluate factor of safety and analyze the slope stability.

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Simplified Method for the Determination of Cumulative Landslide Displacement in the Event of an Earthquake using "Slide Block" Type Analyses (지진발생시 Slide Block형 분석을 이용한 누적 산사태 변위 결정 단순법)

  • Bae, Yoon-Shin
    • Journal of the Korean Geosynthetics Society
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    • v.8 no.1
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    • pp.1-10
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    • 2009
  • Earthquake induced landslides have caused tens of thousands of deaths and billions of dollars of damage during the last century alone. Determining the potential seismic hazard presented by statically stable slopes is essential for the evaluation of substantial landslide movement during an earthquake. Newmark's method for estimating landslide displacement under dynamic loading was presented and applied to two case studies. A simplified energy-based method was then be developed to estimate the Newmark's displacement.

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Application of infinite slope stability analysis method using GIS technique : case study of boeun area (GIS를 이용한 공간자료 적용 및 무한 사면의 안정성 해석 기법 적용 검증 : 보은지역을 중심으로)

  • 이연희;정영국;박혁진;이사로;장범수;전귀현
    • Proceedings of the KSEG Conference
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    • 2003.04a
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    • pp.153-158
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    • 2003
  • Traditionally, the statistical methods has been used to analyze the relationship between landslide occurrence and related factors(soil depth, soil strength, slope angle, vegetation, etc.) in GIS technique. However, the method have no mechanical meaning. Therefore, the mechanical model is suggested in this research. The method analyzes the mechanical equilibrium of a potential slide block and then calculates a slope safety factor. Since this method is able to consider the balance of forces applied to the slope and is a more reasonable method for an individual site. In this research, the spatial data is obtained, managed and analyzed using GIS technique, and the infinite slope model is used to evaluate factor of safety and analyze the slope stability.

  • PDF