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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.9 No.4
- 발행연도
- 2015.12
- 수록면
- 415 - 425 (11page)
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초록· 키워드
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Reinforced concrete beams with insufficient shear reinforcement were strengthened using glass fiber reinforced polymer (GFRP) plates. In the study, the effect of the number of bolts on the load capacity, energy dissipation, and stiffness of reinforced concrete beams were investigated by using anchor bolt of different numbers. Three strengthened with GFRP specimens, one flexural reference specimen designed in accordance to Regulation on Buildings Constructed in Disaster Areas rules, and one shear reinforcement insufficient reference specimen was tested. Anchorage was made on the surfaces of the beams in strengthened specimens using 2, 3 and 4 bolts respectively. All beams were tested under monotonic loads. Results obtained from the tests of strengthened concrete beams were compared with the result of good flexural reference specimen. The beam in which 4 bolts were used in adhering GFRP plates on beam surfaces carried approximately equal loads with the beam named as a flexural reference. The amount of energy dissipated by strengthened DE5 specimen was 96 % of the amount of energy dissipated by DE1 reference specimen. Strengthened DE5 specimen initial stiffness equal to DE1 reference specimen initial stiffness, but strengthened DE5 specimen yield stiffness about 4 % lower than DE1 reference specimen yield stiffness. Also, DE5 specimen exhibited ductile behavior and was fractured due to bending fracture. Upon the increase of the number of anchorages used in a strengthening collapsing manner of test specimens changed and load capacity and ductility thereof increased.
목차
Abstract
1. Introduction
2. Experimental Study
3. Experimental Test Results
4. Comparison of Experiment Results
5. Summary and Conclusions
References
참고문헌 (20)
참고문헌 신청
[학술지(정기간행물)] - Ali, M. S. M. / 2001 / Comparision between FRP and steel plating of reinforced concrete beams / Composites Part A Applied Science and Manufacturing 32 (9) : 1319 ~ 1328
[학술지(정기간행물)] - Anıl, O. / 2006 / Improving shear capacity of RC T-beams using GFRP composites subjected to cyclic load / Cement &Concrete Composites 28 (7) : 638 ~ 649
[학술지(정기간행물)] - Moustapha Ibrahim Ary / 2012 / Shear-Strengthening of Reinforced & Prestressed Concrete Beams Using FRP: Part I – Review of Previous Research / International Journal of Concrete Structures and Materials 6 (1) : 41 ~ 47
[학술지(정기간행물)] - Bencardino, F. / 2007 / The problem of shear in RC beams strengthened with GFRP laminates / Construction and Building Materials 21 (11) : 1997 ~ 2006
[학술지(정기간행물)] - Diagana, A. / 2003 / Shear strengthening with CFF strips / Engineering Structures 25 (4) : 507 ~ 516
[학술지(정기간행물)] - Anıl, O. / 2006 / Improving shear capacity of RC T-beams using GFRP composites subjected to cyclic load / Cement &Concrete Composites 28 (7) : 638 ~ 649
[학술지(정기간행물)] - Moustapha Ibrahim Ary / 2012 / Shear-Strengthening of Reinforced & Prestressed Concrete Beams Using FRP: Part I – Review of Previous Research / International Journal of Concrete Structures and Materials 6 (1) : 41 ~ 47
[학술지(정기간행물)] - Bencardino, F. / 2007 / The problem of shear in RC beams strengthened with GFRP laminates / Construction and Building Materials 21 (11) : 1997 ~ 2006
[학술지(정기간행물)] - Diagana, A. / 2003 / Shear strengthening with CFF strips / Engineering Structures 25 (4) : 507 ~ 516
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