Fishway analysis is required in order to protect depleting fish in the rivers. Recently, ecosystem restoration is absolutely necessary for fishes in the shallow rivers when water overflows by typhoon, 3D-analysis by SAP2000 software is required for designing of natural type of fish passage in order to settle problems regarding the degradation of the concrete durability.
This results of analysis show that natural tpe of fishway could be constructed in rivers of Korea.

• 이영재(경북대학교 공과대학 건축토목공학부) | Lee, Young Jae 교신저자
• 이정신(경북대학교 건설환경에너지공학부) | Lee, Jung Shin
• 장형규(경북대학교 건설환경에너지공학부) | Jang, Hyeong Kyu