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양우준 ( Yang Woo-jun ),유광호 ( You Kwang Ho ),이래철 ( Lee Rae-chul ),손명균 ( Son Myung-kyun ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
산악지역의 비탈면에서 발생되는 토석류에 의한 피해를 예측하기 위해 비탈면 평가를 통하여 취약지역을 선정하여 안전성 검토와 토석류 확산 시뮬레이션을 실시하고자 하였다. 그 결과, 일부 지역에서 토석류에 의한 도로 구조물 및 민가 피해가 발생될 것으로 예상됨에 따라 토석류 예방 및차단시설이 계획될 필요가 있는 것으로 판단된다.
강동호 ( Kang Dong Ho ),남동호 ( Nam Dong Ho ),이석호 ( Lee Suk Ho ),김병식 ( Kim Byung Sik ),양우준 ( Yang Woo Jun ),유광호 ( You Kwang Ho ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
Climate change has caused localized torrential rainfalls and typhoons to occur more frequently, increasing damages to both life and property. In particular, debris flows have brought damages not only in mountainous areas but also in urban centers. Many studies have been carried out with the rising concern on debris flows. These studies applied different debris flow models and conduct analyses on behaviors of debris flow and on forecasting. Given this, however, the subject of the impact force of debris flows should also be taken into consideration. Thus, this study applied RAMMS and FLO-2D, two models for the numerical analysis of debris flows used to analyze impact force. Here, the selected study areas are Umyeonsan Mountain in Seoul and Majeoksan Mountain in Chuncheon, where damages on debris flows were caused by the localized heavy rains in 2011. To identify a debris flow-triggering rainfall, we used and applied rainfalls calculated at different frequencies (30-year, 50-year, 100-year, 200-year). This study calculated and compared impact forces produced by the two models at any point in the study areas. Identifying impact forces based on the comparison of the two models will be useful in selecting materials and equipment appropriate when installing facilities in mountainous regions.