According to several seismic design standards, a ground motion time history should be selected similar to the design response spectrum, or a ground motion time history should be modified by matching procedure to the design response spectrum through the time-domain method. For the response spectrum matching procedure, appropriate seed ground motions need to be selected to maintain recorded earthquake accelerogram characteristics. However, there are no specific criteria for selecting the seed ground motions for applying this methodology. In this study, the characteristics of ground motion time histories between seed motions and spectral matched motions were compared. Intensity measures used in the design were compared, and their change by spectral matching procedure was quantified. In addition, the seed ground motion sets were determined according to the response spectrum shape, and these sets analyzed the response of nonlinear and equivalent linear single degrees of freedom systems to present the seed motion selection conditions for spectral matching. As a result, several considerations for applying the time domain spectral matching method were presented.

A B S T R A C T
1. 서 론
2. 시간이력 생성
    2.1 계측기록 이용 시간이력 생성방법
    2.2 국․내외 시간이력 생성 기준
    2.3 원본 시간이력의 시간영역 스펙트럼 부합 방법
3. 원본 시간이력 세트 결정 및 스펙트럼 부합 변형
    3.1 목표스펙트럼 및 관심주기
    3.2 시간이력 배율조정 계수
    3.3 시간이력 세트 결정
    3.4 시간이력 부합 프로그램
4. 시간이력 분석 및 단자유도 해석
    4.1 스펙트럼 부합 변형된 시간이력 분석
    4.2 비선형 거동 및 등가점성감쇠 선형 거동
    4.3 시간이력에 따른 단자유도모델 해석결과
5. 결 론
REFERENCES

• 최다슬(부산대학교 토목공학과) | Choi Da Seul (Department of Civil Engineering, Pusan National University)
• 지혜연(부산대학교 토목공학과) | Ji Hae Yeon (Department of Civil Engineering, Pusan National University)
• 김정한(부산대학교 토목공학과) | Kim Jung Han (Department of Civil Engineering, Pusan National University) Corresponding author