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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 161 - 169 (9page)
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초록· 키워드
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Two-way slabs reinforced with high-performance steels, which have several practical advantages of a reduction of congestion in heavily reinforced members, savings in the cost of labor and repair, the higher corrosion resistance, and a reduction of construction time, were constructed and tested. The influences of the flexural reinforcement ratio, concentrating the reinforcement in the immediate column region, and using steel fiber-reinforced concrete (SFRC) in the slab on the punching shear resistance and post-cracking stiffness were investigated, and compared with the punching shear test results of the slabs reinforced with conventional steels and GFRP bars. In addition, the strain distribution of flexural reinforcements and crack control were investigated, and the effective width calculating method for the average flexural reinforcement ratio was estimated. The use of high-performance steel reinforcement increased the punching shear strength of slabs, and decreased the amount of flexural reinforcements. The concentrating the top mat of flexural reinforcement increased the post-cracking stiffness, and showed better strain distribution and crack control. In addition, the use of SFRC showed beneficial effects on the punching shear strength and crack control. It was suggest that the effective width should be changed to larger than 2 times the slab thickness from the column faces.
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참고문헌 (23)
참고문헌 신청
ACI Committee 408 / 2003 / Bond and Development of Straight Reinforcing Bars in Tension : 49 ~
ASTM International / 2007 / Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement : 47 ~
ASTM International / 2008 / Standard Test Methods and Definitions for Mechanical Testing of Steel Products : 47 ~
Alexander, S. B. D / 1992 / Test of Column-Flat Plate Connections / ACI Structural Journal 89 (5) : 495 ~ 577
American Concrete Institute(ACI) / 2006 / Guide for the Design and Construction of Structural Concrete Reinforced with FRP Bars : 44 ~
ASTM International / 2007 / Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement : 47 ~
ASTM International / 2008 / Standard Test Methods and Definitions for Mechanical Testing of Steel Products : 47 ~
Alexander, S. B. D / 1992 / Test of Column-Flat Plate Connections / ACI Structural Journal 89 (5) : 495 ~ 577
American Concrete Institute(ACI) / 2006 / Guide for the Design and Construction of Structural Concrete Reinforced with FRP Bars : 44 ~
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