Recently, the occurrence frequency of earthquake has increased in Korea, and many cultural assets have been damaged. Cheomseongdae is a valuable cultural assets that must be preserved historically and culturally. But, the masonry structure such as Chemseongdae is vulnerable to lateral forces. Therefore, in this study, structural modeling and dynamic analysis are performed to reflect the ground state and structural form of Cheomseongdae. Also, discrete element analysis technique is applied and dynamic behavior characteristics are analyzed according to earthquake load. For this purpose, displacements and stresses according to locations are reviewed and then swelling and distortion are analyzed.

Abstract
1. 서론
2. 첨성대의 구조 형식
3. 구조 모형화 및 동적 해석 방안
    3.1 구조 모형화 방안
    3.2 석재 및 절리면 재료 특성 분석
    3.3 동적 해석 방안
    3.4 입력 지진파 산정
4. 동적 거동 특성 분석
    4.1 해석 모델 설정
    4.2 동적 해석 결과 분석
    4.3 배부름 및 비틀림 변형 분석
5. 결론
References

• 김호수(청주대학교 건축공학과) | Kim Ho-Soo (Dept. of Architectural Eng., Cheongju University) 교신저자
• 이하나(청주대학교 건축공학과) | Lee Ha-Na (Dept. of Architectural Eng., Cheongju University)