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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.18 No.5
- 발행연도
- 2015.1
- 수록면
- 1,129 - 1,144 (16page)
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초록· 키워드
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Based on the experiment, this paper focuses on studying flexural behavior of splicing concrete-filled glass fiber reinforced polymer (GFRP) tubular composite members connected with steel bars. The test results indicated the confinement effects of GFRP tubes on the concrete core in compression zone began to produce, when the load reached about 50%<i>P<sub>u</sub></i> (<i>P<sub>u</sub></i>-ultimate load), but the confinement effects in tensile zone was unobvious. In addition, the failure modes of composite members were influenced by the steel ratio of the joint. For splicing unreinforced composite members, the steel ratio more than 1.96% could satisfy the splicing requirements and the steel ratio 2.94% was ideal comparatively. For splicing reinforced specimen, the bearing capacity of specimen with 3.92% steel ratio was higher 21.4% than specimen with 2.94% steel ratio and the latter was higher 21.2% than the contrast non-splicing specimen, which indicated that the steel ratio more than 2.94% could satisfy the splicing requirements and both splicing ways used in the experiment were feasible. So, the optimal steel ratio 2.94% was suggested economically. The experimental results also indicated that the carrying capacity and ductility of splicing concrete-filled GFRP tubular composite members could be improved by setting internal longitudinal rebars.
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참고문헌 (30)
참고문헌 신청
Bousselham, A. / 2006 / Behavior of reinforced concrete T-beams strengthened in shear with carbon fiber reinforced polymer-an experimental study / ACI Struct. J 103(3):339~347
Chen, B. L. / 2010 / Experimental research on anti-bending performance of composite RC-Filled GFRP tube members / J. Northeast. Univ. (Natural Science) 31(10):1495~1498
Cho, C. G. / 2005 / Analytical model of concrete-filled fiber-reinforced polymer tubes based on multiaxial constitutive laws / J. Struct. Eng 131(9):1426~1433
Cole, B. / 2006 / Flexural load testing of concrete-filled FRP tubes with longitudinal steel and FRP rebar / J. Compos. Construct 10(2):161~171
Davol, A. / 2001 / Flexural behavior of circular concrete filled FRP shell / J. Struct. Eng 127(7):810~817
Chen, B. L. / 2010 / Experimental research on anti-bending performance of composite RC-Filled GFRP tube members / J. Northeast. Univ. (Natural Science) 31(10):1495~1498
Cho, C. G. / 2005 / Analytical model of concrete-filled fiber-reinforced polymer tubes based on multiaxial constitutive laws / J. Struct. Eng 131(9):1426~1433
Cole, B. / 2006 / Flexural load testing of concrete-filled FRP tubes with longitudinal steel and FRP rebar / J. Compos. Construct 10(2):161~171
Davol, A. / 2001 / Flexural behavior of circular concrete filled FRP shell / J. Struct. Eng 127(7):810~817
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