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This study aims to estimate the failure probability of concrete gravity dams for their risk analysis under flood situation. To the end, failure modes of concrete gravity dams and their limit state functions are proposed based on numerous review of domestic and international literatures on the dam failure cases and design standards. Three failure modes are proposed: overturning, sliding, and overstress. Based on the failure modes the limit state functions, the failure probability is assessed for a weir section and a non-weir section of a dam in Korea. As water level is rising from operational condition to extreme flood condition, the failure probability is found to be raised up to the warning condition, especially for overturning mode at the non-weir section. The result can be used to reduce the risk of the dam by random environmental variables under possible flood situation.
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참고문헌 (22)
참고문헌 신청
I. S. Ha / 2008 / Development of Dam Earthquake Monioring System and Application of Earthquake Records for Dam Safety Management against Earthquake / Proceedings of Korean Geotechnical Society
2003 / ANCOLD Guidelines on Dam Safety Management / Australian National Committee on Large Dams
2012 / Interim Dam Safety Public Protection Guidelines - A Risk Framework to Support Dam Safety Decision-Making / Bureau of Reclamation
2003 / ANCOLD Guidelines on Risk Assessment / Australian National Committee on Large Dams
2009 / National Technical Strategy Plan for Performance Improvement and Safety Management of Water Structures
2003 / ANCOLD Guidelines on Dam Safety Management / Australian National Committee on Large Dams
2012 / Interim Dam Safety Public Protection Guidelines - A Risk Framework to Support Dam Safety Decision-Making / Bureau of Reclamation
2003 / ANCOLD Guidelines on Risk Assessment / Australian National Committee on Large Dams
2009 / National Technical Strategy Plan for Performance Improvement and Safety Management of Water Structures
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대한토목학회 학술대회
2015 .10
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Seismic behavior of concrete gravity dams
Advances in computational design
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2016 .01
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Seismic fragility analysis of a cemented Sand-gravel dam considering two failure modes
Computers and Concrete, An International Journal
2020 .01
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Geometrical dimensions effects on the seismic response of concrete gravity dams
Advances in concrete construction
2018 .01
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국내 중소규모 흙댐의 상대적 액상화 파괴위험도 평가 기초 연구
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확률강우를 이용한 댐 월류에 대한 안전성 분석
한국지반신소재학회 학술발표회
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전산해석을 이용한 흙댐 저수지 붕괴 및 침수지역 분석
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An analytical approach of behavior change for concrete dam by panel data model
Steel and Composite Structures, An International Journal
2020 .01
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Dynamic response of concrete gravity dams using different water modelling approaches: westergaard, lagrange and euler
Computers and Concrete, An International Journal
2015 .01
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필댐의 내부침식과 관련된 댐 상태의 정량화 및 적용성 평가
한국지반공학회논문집
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Existing concrete dams: loads definition and finite element models validation
Structural monitoring and maintenance
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Damage index based seismic risk generalization for concrete gravity dams considering FFDI
Structural Engineering and Mechanics, An Int＇l Journal
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Stability analysis on the concrete slab of the highest concrete-faced rock-fill dam in South Korea
Geomechanics & engineering
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국내 중소규모 흙댐의 지진 시 파괴확률 산정 도표 제안 : A Proposal of Seismic Failure Probability Estimation Chart of the Korean Small and Medium Sized Earthfill Dams
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Displacement aging component-based stability analysis for the concrete dam
Geomechanics & engineering
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Risk Assessment of Aged Concrete Gravity Dam Subjected to Material Deterioration Under Seismic Excitation
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Underwater explosion and its effects on nonlinear behavior of an arch dam
Coupled systems mechanics
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