Recently, risk analysis of the fill dam has been many studies. The geotechnical characteristics are an important part of the risk analysis, and has a variety of causes failures. Geotechnical characteristics of fill dam is divided into structural and physical characteristics. In domestic, failure mechanism for risk analysis may consider six types.

• 임정열(정회원, 한국수자원공사 K-water연구원, 책임연구원, 공학박사) | Lim, Jeong Yeul
• 임은상(한국수자원공사 K-water연구원, 선임연구원, 공학박사) | Im, Eun Sang