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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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여러 국·내외 설계 기준서에 따라 설계응답스펙트럼과 유사한 지반운동 시간이력을 선택하거나 시간영역 방법을 통해 설계응답스펙트럼과 부합하도록 지반운동 시간이력을 수정해야 한다. 응답스펙트럼 부합 방법의 경우 실 지진기록의 특성을 유지하기 위해, 스펙트럼 부합 전 시간이력 선택 시 적절한 지반운동을 선택해야 한다. 그러나 이 방법론을 적용하기 위한 실 시간이력을 선택하는 구체적인 기준은 없다. 본 연구에서는 실 지반운동의 시간이력과 스펙트럼 부합된 시간 이력의 특성을 비교했다. 설계에 사용된 지반강도계수를 비교하고 스펙트럼 부합에 따른 변화를 나타내었다. 또한 스펙트럼 부합을 위한 실 시간이력 선택 조건을 제시하기 위해, 시간이력 세트를 응답 스펙트럼의 형태에 따라 결정했고, 단자유도 해석으로 비선형해석 및 등가감쇠선형해석결과를 통해 분석하였다. 결과적으로, 시간영역 스펙트럼 부합 방법을 적용하기 위한 몇 가지 고려사항이 제시되었다.
목차
제 1 장 서 론 ····························································································································· 1제 2 장 지반운동 시간이력 생성 ································································································ 32.1 계측기록 이용 시간이력 생성방법 ····················································································· 32.2 국·내외 시간이력 생성기준 ································································································· 42.3 스펙트럼 부합 방법 선행연구 ····························································································· 5제 3 장 스펙트럼 부합 시간이력 생성 조건 ············································································· 73.1 목표스펙트럼 및 관심주기 ··································································································· 73.2 시간이력 배율조정 ················································································································ 83.3 계측기록 선택 ························································································································ 83.4 스펙트럼 부합 프로그램 ···································································································· 11제 4 장 스펙트럼 부합 전 후 시간이력 ·················································································· 174.1 시간이력 지반강도계수 비교 ····························································································· 174.2 비선형 거동 및 등가점성감쇠선형 거동 ········································································· 194.3 시간이력에 따른 단자유도 해석 결과 ············································································· 21제 5 장 결론 ································································································································· 27참고 문헌 ······································································································································· 28부록 ················································································································································· 31Ⅰ.1 각 세트의 시간이력별 가속도, 속도 및 변위 ······························································ 31Ⅰ.1.1 주기 1초 배율조정 및 스펙트럼 부합 ·································································· 31Ⅰ.1.1 주기 2.83초 배율조정 및 스펙트럼 부합 ···························································· 37Ⅰ.2 각 세트의 시간이력별 지반강도계수 ············································································· 43Ⅰ.3 각 세트의 시간이력별 강진지속시간 및 AI ································································· 49Ⅰ.4 각 세트의 시간이력별 단자유도 변위 응답 ·································································· 61Ⅰ.5 각 세트의 시간이력별 단자유도 해석 결과 ·································································· 67
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