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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.36 No.3
- 발행연도
- 2020.1
- 수록면
- 339 - 353 (15page)
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초록· 키워드
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This study investigates the seismic performance of steel reinforced concrete (SRC) T-shaped columns under low cyclic loading tests. Based on test results of ten half-scale column specimens, failure patterns, hysteretic behavior, skeleton curves, ultimate strength, ductility, stiffness degradation and energy dissipation capacity were analyzed. The main variables included loading angles, axial compression ratios and steel ratios. The test results show that the average values of the ductility factor and the equivalent viscous damping coefficient with respect to the failure of the columns were 5.23 and 0.373, respectively, reflecting good seismic performance. The ductility decreased and the initial stiffness increased as the axial compression ratio of the columns increased. The strength increased with increasing steel ratio, as expected. The columns displaced along the web had higher strength and initial stiffness, while the columns displaced along the flange had better ductility and energy dissipation capacity. Based on the test and analysis results, a formula is proposed to calculate the effective stiffness of SRC T-shaped columns.
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참고문헌 (20)
참고문헌 신청
Abo-Zai, L. / 2019 / Reparing post-heated L-shaped RC columns with advanced thin concrete jacketing / Constr. Build. Mater 44(2):212~218
Zongping Chen / 2016 / Axial compression ratio limit values for steel reinforced concrete (SRC) special shaped columns / Steel and Composite Structures, An International Journal 20(2):295~316
Elwood, K.J. / 2009 / Effective Stiffness of Reinforced Concrete Columns / ACI Structural Journal 106(4):476~484
Hsu, T.C. / 1989 / T-shaped reinforced concrete members under biaxial bending and axial compression / ACI Structural Journal 86(4):460~468
Ilker Fatih Kara / 2015 / Flexural behavior of hybrid FRP/steel reinforced concrete beams / Composite Structures 129:111~121
Zongping Chen / 2016 / Axial compression ratio limit values for steel reinforced concrete (SRC) special shaped columns / Steel and Composite Structures, An International Journal 20(2):295~316
Elwood, K.J. / 2009 / Effective Stiffness of Reinforced Concrete Columns / ACI Structural Journal 106(4):476~484
Hsu, T.C. / 1989 / T-shaped reinforced concrete members under biaxial bending and axial compression / ACI Structural Journal 86(4):460~468
Ilker Fatih Kara / 2015 / Flexural behavior of hybrid FRP/steel reinforced concrete beams / Composite Structures 129:111~121
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