Tomb of King Muryeong, located in Sonsan-ri, was found vulnerable due to leakages during since the summer of 2016. This research aims to evaluate structural safety of the Tomb under the tumulus. Site surveys were conducted to find vulnerable inner parts. Structural safety assessment is presented based on both site survey results and analytical results obtained through FEM analysis using the ANSYS program. The underground structure was explicitly modeled to focus on two types of loadings: design loads and actual gravity loads. In general, the tomb does not show any critical deflection increase or damage through the analytical investigation. However, maintenance through continuous monitoring is necessary to prevent severe deflections and stress concentrations since the rigidity of the tomb materials are very vulnerable and likely to be reduced due to prolonged weathering and continuous rain leakage.

Abstract
1. 서론
2. 현장조사
3. 영향변수 설정 및 모델링
    3.1 재료적 특성
    3.2 지반계수 산정
    3.3 하중조건에 따른 해석 방법
4. 구조해석을 통한 안정성 평가
    4.1 변위 검토
    4.2 응력 검토
    4.3 지반의 재료에 따른 안전성 평가
5. 결론
References

• 이가윤(세종대학교 건축공학과) | Lee Ga-Yoon (College of Architecture, Sejong University)
• 조영훈(공주대학교 문화재보존과학과) | Jo Young Hoon (Dept. of Cultural Heritage Conservation Sciences, Kongju National University)
• 이성민((재)한국건설품질연구원) | Lee Sung-Min (Korea Construction Quality Research Center(KCQR))
• 이찬희(공주대학교 문화재보존과학과) | Lee Chan Hee (Dept. of Cultural Heritage Conservation Sciences, Kongju National University)
• 이기학(세종대학교 건축공학과) | Kihak Lee (College of Architecture, Sejong University) 교신저자