Performance evaluation of slit-type barrier for debris flow mitigation by a parametric study토석류 저감 효과의 매개변수 연구를 통한 슬릿형 사방댐의 성능 평가

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dc.contributor.advisorLee, Seung Rae-
dc.contributor.advisor이승래-
dc.contributor.authorKim, Min Seop-
dc.date.accessioned2018-06-20T06:12:43Z-
dc.date.available2018-06-20T06:12:43Z-
dc.date.issued2017-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=718513&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/242683-
dc.description학위논문(석사) - 한국과학기술원 : 건설및환경공학과, 2017.8,[ix, 48 p. :]-
dc.description.abstractDebris flow refers to a phenomenon of soil and rock that float along with water which is induced by extreme rainfall. The damage caused by the debris flow is catastrophic and in order to prevent such damage, installation of debris flow barrier is necessary. Construction of slit-type barrier have increased recently due to its advantage of minimum environmental destruction. This paper presents debris mobility analysis results for a slit type debris flow barrier and the effect of various parameters on the barrier performance by using CFD program FLOW-3D. In this research, the influence of parameters, including grain size, sediment concentration, initial velocity, volume, arrangement, height and slit ratio are considered. Based on the results of the parametric study, the design method of the barrier with high performance is also presented. The results confirm reasonably correlated relationships between selected parameters and debris flow mitigation by the barrier which can be contributed to an optimum design of debris flow barrier. Performances of V-type barrier and double-type barrier were analysed and they showed high efficiency compared to P-type barrier and single-type barrier.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectDebris flow▼aSlit-type barrier▼aNumerical simulations▼aParametric study▼aMitigation effect-
dc.subject토석류▼a슬릿형 사방댐▼a수치 시뮬레이션▼a매개변수▼a저감효과-
dc.titlePerformance evaluation of slit-type barrier for debris flow mitigation by a parametric study-
dc.title.alternative토석류 저감 효과의 매개변수 연구를 통한 슬릿형 사방댐의 성능 평가-
dc.typeThesis(Master)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :건설및환경공학과,-
dc.contributor.alternativeauthor김민섭-
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CE-Theses_Master(석사논문)
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