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Improvement for Gutter Design Method in Sloping Area  

Lee, Young-Dai (부경대학교 공과대학 건설공학부)
Kim, Jong-Soon (부경대학교 대학원 토목공학과)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.8, no.1, 2008 , pp. 109-115 More about this Journal
Abstract
Malfunction of gutter systems in the slope area accelerate to percolate surface flow into underground and to cause the decrease of soil strength, Overflowing from gutter causes soil erosion from slope surface, secondary it is one of the main reasons to cause disaster in the hillside area. Much researches were reported and are undergoing about flood disaster in the down stream area, but rare in the upper reach(hillside). It is considered that improving function of gutter in the hillside is very important to prevent the disaster caused by rainfall. In this paper, After analyzing relationship between rainfall and disaster on the hillside in Busan, researches about having surface flow run into gutter effectively and preventing from overflowing outside of gutter on the hillside in Busan were carried out. Improved design methods of gutter are suggested to mitigate disaster in the sloping area by analysis of collected data and hydraulic model test.
Keywords
Gutter; Hillside area; Flood disaster; Model test;
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