FRP Hybrid Bar와 이형 철근의 부착 특성 비교

서지정보

ㆍ발행기관 : 한국복합신소재구조학회 ㆍ수록지정보 : 복합신소재구조학회 논문집 / 9권 / 2호
ㆍ저자명 : 정규산, 박기태, 유영준, 김병철, 박준석

목차

Abstract
1. 서 론
2. 부착 시험 계획 및 방법
2.1 시험 변수 및 사용 재료 특성
2.2 부착 시험체 제작
2.3 시험체 설치 및 계측 계획
3. 시험 결과 및 토의
3.1 시험 결과 요약
3.2 직경별 이형철근과 HYB의 부착 특성 비교
4. 결 론
REFERENCES

영어 초록

This paper presents experimental results for evaluating bond strength of FRP Hybrid Bars(HYB). In order to confirm the bond strength of HYB, direct bond strength tests were performed on 20 specimens. 20 specimens made of deformed steel bars were also tested for relative comparison. HYB and deformed steel bars were embedded in a concrete block with a size of 200 mm and different attachment lengths were applied depending on the diameter of the reinforcing bars. During the test, load and relative displacement(slip) were measured and the load-displacement behaviors of all specimens were analyzed from the measured results. The maximum bond strength of deformed steel bars were higher than that of HYB regardless of its diameter. However, after the maximum load, the deformed steel bars were more dominant than the HYB in the sudden load reduction tendency.

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