초고성능 섬유보강 콘크리트 보의 충격저항성능 향상Enhancing Impact Resistance of Ultra-High-Performance Fiber-Reinforced Concrete Beams
- Other Titles
- Enhancing Impact Resistance of Ultra-High-Performance Fiber-Reinforced Concrete Beams
- Authors
- 류두열; 밴티아 네쿰마; 윤영수
- Issue Date
- May-2016
- Publisher
- 한국콘크리트학회
- Citation
- 한국콘크리트학회 2016년도 봄 학술대회 논문집, v.28, no.1, pp.267 - 268
- Indexed
- OTHER
- Journal Title
- 한국콘크리트학회 2016년도 봄 학술대회 논문집
- Volume
- 28
- Number
- 1
- Start Page
- 267
- End Page
- 268
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/154594
- Abstract
- 이 연구에서는 1,200 J 용량의 낙하식 충격실험 장비를 활용하여 초고성능 섬유보강 콘크리트의 충격거동을 평가하였으며, 고속변형률 속도에서의 처짐경화 거동을 규명하였다. 충격저항성능 향상을 위해서 총 4종류의 강섬유를 사용하였으며, 일자형 강섬유의 사용이 비틀림 강섬유에 비해 충격저항성능
에 더 유리한 것으로 나타났다.
In this study, impact behavior of Ultra-High-Performance Fiber-Reinforced Concrete (UHPFRC) beams was investigated by using a 1,200 J capacity drop-weight impact test machine. Deflectionhardening behavior of UHPFRC was observed under high strain-rate. In order to improve the impact resistance of UHPFRC, four different types of steel fibers were considered, and test results indicated that the use of straight steel fibers was effective in improving the impact resistance of UHPFRC as compared with that of twisted steel fibers.
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