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논문 기본 정보

자료유형
학술저널
저자정보
홍건호 (호서대학교)
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第27卷 第6號
발행연도
2011.6
수록면
49 - 56 (8page)

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Recently, many research were performed to develop the high strength concrete and reinforcing bar because super tall building and large space structures require the high strength structural materials. The purpose of this paper is to evaluate the flexural performance of reinforced beams with high strength concrete and high strength reinforcing bars. Total 9 simple beam specimens divided by 3 groups tested for evaluating the flexural performance. Main test variables were concrete compressive strength from 27 to 68㎫ and yield strength of longitudinal reinforcement from 400 to 700㎫. Test data analyzed in the viewpoint of cracking load, ultimate flexural strength, load-deflection relationship, crack progress, failure aspects and ductility. Test results indicate that flexural capacity of the specimen is similar from a standpoint of unit strength-area of reinforcement regardless concrete compressive strength. Flexural stiffness of the specimens with high strength reinforcing bars were reduced, and this phenomenon is well agreed with the reduction of effective moment of inertia I<SUB>e</SUB>. But stiffness reduction ratio was decreased when concrete compressive strength increase. Number of crack was decreased and maximum crack width was increased when concrete compressive strength increase.

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Abstract
1. 서론
2. 실험계획 및 방법
3. 실험결과 및 분석
4. 결론
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