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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.23 No.1
- 발행연도
- 2019.1
- 수록면
- 61 - 68 (8page)
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This paper presents a computational rational model to predict the ultimate and optimized load capacity of reinforced concrete (RC) beams strengthened by a combination of longitudinal and transverse fiber reinforced polymer (FRP) composite plates/sheets (flexure and shear strengthening system). Several experimental and analytical studies on the confinement effect and failure mechanisms of fiber reinforced polymer (FRP) wrapped columns have been conducted over recent years. Although typical axial members are large-scale square/ rectangular reinforced concrete (RC) columns in practice, the majority of such studies have concentrated on the behavior of small-scale circular concrete specimens. A high performance concrete, known as polymer concrete, made up of natural aggregates and an orthophthalic polyester binder, reinforced with non-metallic bars (glass reinforced polymer) has been studied. The material is described at micro and macro level, presenting the key physical and mechanical properties using different experimental techniques. Furthermore, a full description of non-metallic bars is presented to evaluate its structural expectancies, embedded in the polymer concrete matrix. In this paper, the mechanism of mechanical interaction of smooth and lugged FRP rods with concrete is presented. A general modeling and application of various elements are demonstrated. The contact parameters are defined and the procedures of calculation and evaluation of contact parameters are introduced. The method of calibration of the calculated parameters is presented. Finally, the numerical results are obtained for different bond parameters which show a good agreement with experimental results reported in literature.
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참고문헌 (82)
참고문헌 신청
Aghakhani, M. / 2015 / A simple modification of homotopy perturbation method for the solution of Blasius equation in semi-infinite domains / Math. Prob. Eng
Arabnejad Khanouki, M.M / 2010 / Investigation of seismic behaviour of composite structures with concrete filled square steel tubular(CFSST)column by push-over and time-history analyses / Proceedings of the 4th International Conference on Steel & Composite Structures
Khanouki, A. / 2011 / Behavior of through beam connections composed of CFSST columns and steel beams by finite element studying / Adv. Mater. Res 168:2329~2333
Ashour, A. F. / 2014 / Size effect on shear strength of FRP reinforced concrete beams / Compos. Part B : Eng 60:612~620
Bakis, C. E. / 1998 / Analysis of bonding mechanisms of smooth and lugged FRP rods embedded in concrete / Compos. Sci. Technol 58(8):1307~1319
Arabnejad Khanouki, M.M / 2010 / Investigation of seismic behaviour of composite structures with concrete filled square steel tubular(CFSST)column by push-over and time-history analyses / Proceedings of the 4th International Conference on Steel & Composite Structures
Khanouki, A. / 2011 / Behavior of through beam connections composed of CFSST columns and steel beams by finite element studying / Adv. Mater. Res 168:2329~2333
Ashour, A. F. / 2014 / Size effect on shear strength of FRP reinforced concrete beams / Compos. Part B : Eng 60:612~620
Bakis, C. E. / 1998 / Analysis of bonding mechanisms of smooth and lugged FRP rods embedded in concrete / Compos. Sci. Technol 58(8):1307~1319
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