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FRP BAR를 주근으로 사용한 일방향 콘크리트 슬래브의 전단강도평가

Title
FRP BAR를 주근으로 사용한 일방향 콘크리트 슬래브의 전단강도평가
Other Titles
Shear Strength of One-way Concrete Slabs Reinforced with Fiber Reinforced Polymer (FRP) Bars
Author
신성우
Keywords
FRP; 콘크리트 슬래브; 전단강도; 복합재료; Fiber Reinforced Polymers; Concrete Slabs; Shear Strength; Composite Materials
Issue Date
2007-10
Publisher
대한건축학회
Citation
대한건축학회논문집 - 구조계, v. 23, No. 10, Page. 43-50
Abstract
Fiber reinforced polymer(FRP) bars are currently available as a alternative for conventional steel bars in concrete structures exposed to deiceing salts and marine environments. Compared to steel, FRP bars have high tensile strength, low modulus of elasticity and elastic-brittle stress-strain behavior. Due to the low modulus of elasticity of FRP bars, concrete members reinforced longitudinally with FRP bars experience reduced shear strength compared to the shear strength of those reinforced with the steel reinforcement. This paper evaluates the shear strength of one-way concrete slabs reinforced with fiber reinforced polymer(FRP) bars. Nine slabs were constructed and tested. The slabs were 4,000 ㎜ long × 1,200 ㎜ wide × 200 ㎜ deep. The test parameters were the type of FRP reinforcing bars and the reinforcement ratio. The slabs were tested under four-point bending over simply supported clear span of 3,000 ㎜ and a shear span of 1,000 ㎜. The experimental shear strengths were compared with the JSCE recommendations, the CAN/CSA code, and the ACI 440.1R.03 design guide lines. The results indicated that the ACI 440.1R-03 design method for prediction the concrete shear strength of FRP slabs is very conservative.
URI
http://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE00905672&language=ko_KRhttp://repository.hanyang.ac.kr/handle/20.500.11754/107173
ISSN
1226-9107
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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