Abstract
In Korea, where 64% of the land area is composed of mountainous areas, so it is inevitable to develop mountainous areas and steep slopes. Mountain development increases the incidence of landslides and debris flow. In this study, an indoor model test was carried out to confirm the installation effect of the dam installed to reduce the damage to the debris flow. The types of models used in this experiment are gravity concrete erosion control dam, buttress erosion control dam and breaker erosion control dam. Experimental results of one or more facilities installed in a single mooring facility were compared and analyzed. Through this result, the combination that effectively reduces the amount of soil erosion was quantitatively confirmed. Experimental results show that the âgravity concrete erosion control damâ has the highest reduction effect when installing a single structure. The experiment results that combines three facilities showed the highest level of debris flow erosion control effect of the combination of âbuttressâbreakergravity concrete erosion control damâ. Keywords: Debris Flow, Erosion Control Dam, Breaker
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