Materials Engineering Concepts 0 www sangji ac kr
- Slides: 58
재료의 공학적 개념 (Materials Engineering Concepts) 0
www. sangji. ac. kr 기계적 성질 (역학적 성질) (5) 탄성계수(modulus of elasticity, elastic modulus) Concrete Lab of Sangji University 12
www. sangji. ac. kr 기계적 성질 (역학적 성질) Concrete Lab of Sangji University 13
www. sangji. ac. kr 기계적 성질 (역학적 성질) • 푸아송비 (poisson’s ratio) Concrete Lab of Sangji University 15
www. sangji. ac. kr Concrete Lab of Sangji University 16
www. sangji. ac. kr Concrete Lab of Sangji University 17
www. sangji. ac. kr Concrete Lab of Sangji University 18
www. sangji. ac. kr 재료별 탄성계수와 푸아송비 Concrete Lab of Sangji University 20
www. sangji. ac. kr 강(steel)의 응력-변형률 Concrete Lab of Sangji University 23
www. sangji. ac. kr 항복응력 결정하는 방법 Concrete Lab of Sangji University 24
www. sangji. ac. kr 기계적 성질 (역학적 성질) (7) 크리프 (creep) : Concrete Lab of Sangji University 27
www. sangji. ac. kr 기계적 성질 (역학적 성질) Concrete Lab of Sangji University 30
www. sangji. ac. kr 전기에 관한 성질 比抵抗(specific resistance) 단위길이와 단위면적을 가진 재료의 전기저항 ■ 비전도도 or 전기전도율(electric conductivity) ; 비저항의 역수 Concrete Lab of Sangji University 41
www. sangji. ac. kr 音(음)에 대한 성질 ① 吸音率(sound adsorbing coefficient) ② 遮音率(sound insulating coefficient) Concrete Lab of Sangji University 42
www. sangji. ac. kr 빛에 관한 성질 ① 투과율(transmission factor) 평활도, 두께, 파장에 따라 달라진다. ② 반사율(reflection factor) ; 반사광속에너지/입사광속에너지 Concrete Lab of Sangji University 43
www. sangji. ac. kr 규격협회 IATM (국제재료시험협회) International Association for Testing Materials) AASHTO (미국주도로기술자협회) American Association of states Highway and Transportation Officials) ACI (미국콘크리트 학회) American Concrete Institute) JCI (일본콘크리트학회) Japan Concrete Institute) KCI (한국콘크리트학회) Korea Concrete Institute) Concrete Lab of Sangji University 46
www. sangji. ac. kr Report • 질의와 문제(pp. 61 ~ 70) 중 다음 문제를 풀어서 제출하시오. - 1. 1, 1. 3, 1. 4, 1. 5, 1. 6, 1. 11, 1. 25, 1. 28, 1. 29, 1. 30 Concrete Lab of Sangji University 57
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