목차

[그림 차례] ·········································································································· i
[표 차례] ············································································································ iii
제 1 장 서 론 ·································································································· 1
1.1 연구배경 및 목적 ····························································································· 1
1.2 연구내용 및 방법 ····························································································· 5
제 2 장 내진 보강재 개발을 위한 이론적 고찰 ···································· 6
2.1 국내외 내진 보강 공법 사례 ········································································· 6
2.2 콘크리트 기둥의 구속 효과에 대한 이론 ··················································· 9
2.3 구조물에 대한 유한요소법 적용 ································································· 13
2.4 실험계획법 및 최적화에 관한 이론 ··························································· 16
제 3 장 내진 보강재의 성능 평가 ··························································· 18
3.1 실험체 제작 및 실험 설계 ··········································································· 18
3.1.1 사용 재료 ································································································· 18
3.1.2 실험체 단면 결정 ··················································································· 21
3.1.3 실험체 단면 상세 치수 ········································································· 28
3.1.4 실험 설계 ································································································· 31
3.2 실험 결과 ········································································································· 34
3.2.1 하중 재하에 따른 변위 발생 ······························································· 34
3.2.2 응력 및 변형률 관계 ············································································· 40
3.2.3 하중 및 변형률 관계에 따른 중립축 변화 ······································· 43
3.3 소결 ··················································································································· 47
제 4 장 아바쿠스를 이용한 비선형 유한요소 해석 ··························· 48
4.1 기하학적 형상 및 요소망 생성 ··································································· 48
4.2 재료적 특성 ····································································································· 50
4.2.1 탄성(Elastic) ···························································································· 50
4.2.2 소성(Plastic) ···························································································· 50
4.3 해석 조건 적용 ······························································································· 55
4.3.1 해석 프로세스 산정 ··············································································· 55
4.3.2 접촉, 경계조건 및 하중조건 입력 ······················································ 56
4.4 해석 결과 ········································································································· 57
4.5 소결 ··················································································································· 65
제 5 장 최적화 프로그램을 이용한 단면 산정 ·································· 66
5.1 실험계획법(DOE)을 통한 주요 인자 파악 ················································ 66
5.2 최적화(Optimization)를 통한 최적 단면 산정 ········································· 70
제 6 장 결 론 ······························································································ 73
[참고 문헌] ······································································································· 75