The damage cases by debris flow and each investigation techniques used by the institutes associated with debris flow were analysed. It was concluded that considering urban debris flow characteristics and the purpose of investigation is essential to establish reasonable debris-flow damage investigation technique.

• 김민기(준회원, 한국시설안전공단 시설안전연구소 연구원) | Kim, Min-Gi
• 변요셉(비회원, 한국시설안전공단 시설안전연구소 선임연구원, 공학박사) | Byun, Yoseph
• 성주현(정회원, 한국시설안전공단 시설안전연구소 책임연구원, 공학석사) | Seong, Joo-Hyun 교신저자