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콘크리트 충전 FRP 원통관의 압축거동에 관한 실험적 연구Experimental Investigation on the Compression Behavior of Concrete Filled Circular FRP Tubes

Other Titles
Experimental Investigation on the Compression Behavior of Concrete Filled Circular FRP Tubes
Authors
주형중이승식김영호박종화윤순종
Issue Date
2008
Publisher
한국복합재료학회
Keywords
콘크리트 충전 FRP 원통관; Concrete Filled Circular FRP Tube; CFFT; 구속효과; Confining Effect; 일축압축실험; Uniaxial Compression Test; 압축거동; Compression Behavior
Citation
Composites Research, v.21, no.3, pp.24 - 30
Journal Title
Composites Research
Volume
21
Number
3
Start Page
24
End Page
30
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/23128
ISSN
2288-2103
Abstract
Durability problems may arise in the concrete, which is one of the major construction materials, used in the construction field. Bridge piers and foundation piles are usually made with concrete and they are exposed to the moisture and hence the durability of the concrete reduced significantly due to oxidization of re-bar and icing of concrete. To mitigate such problems, FRP tube has been developed and the concrete filled FRP tube (CFFT) has been investigated to find the confinement effect which is provided additionally. It was reported that if the concrete is wrapped with FRP, strength and chemical resistance are improved significantly. In order to apply such a member in the construction field, structural behavior and applicable design guideline or design criteria must be thoroughly investigated. In the experimental investigation, the results are compared with the previous research results and the relationship which can predict the ultimate strength and strain is suggested. In addition, some comments found at the compression tests are given briefly.
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