Earticle

초록

영어

The study of shear behavior of RC beams using recycled concrete aggregate (RCA) has not been a widely investigated area of architectural structure because of variant factors which were difficult to consistently explain. In practice, the shear behavior of RCA beams have been investigated experimentally in order to meet a customer's structural requirements by comparing RC beams made of natural aggregate with those using RCA. In this study, tests have been performed utilizing varied ratios of recycled aggregates and on four concrete mixes (conventional concrete and recycled concrete with 15, 30 and 50% of RCA). Two concrete strengths (normal and high strength) were utilized. Thus, eight reinforced concrete beams were made and tested for shear behavior. The results showed that ultimate loads were little affected by the different types of concretes. Experimental results were compared with current KCI codes and with the shear equation proposed by Zsutty. From these test, it was determined that current KCI codes accurately predicted the shear strength of the recycled concrete, while the Zsutty's equation underestimated the experimental results.

목차

Abstract
 1. 서론
  1.1 연구배경
  1.2 연구내용
  1.3 연구방법
 2. 실험
  2.1 시험체 개요
  2.2 사용재료 및 배합설계
 3. 실험결과 및 고찰
  3.1 실험결과
  3.2 실험값과 규준식과의 비교
 4. 결론
 참고문헌

저자

• 이정훈 [ Lee, Jung-Hoon | 금오공과대학교 건축학부 석사과정 ]
• 김도현 [ Kim, Do-Hyun | 금오공과대학교 건축학부 학부과정 ]
• 김진기 [ Kim, Jin-Gi | 금오공과대학교 건축학부 학부과정 ]
• 박형진 [ Park Hyung-Jin | 금오공과대학교 건축학부 학부과정 ]
• 정성윤 [ Jung, Sung-Yun | 금오공과대학교 건축학부 학부과정 ]
• 김우석 [ Kim, Woo-Suk | 경북대학교 건축토목공학부 박사후연구원, 공학박사 ]
• 곽윤근 [ Kwak, Yoon-Keun | 금오공과대학교 건축학부 교수, 공학박사 ]

참고문헌