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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.20 No.6
- 발행연도
- 2016.1
- 수록면
- 1,193 - 1,203 (11page)
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This paper focuses on the analytical behavior of modular circular concrete-filled tubular (CFT) column with enhanced bracing details. To design a full-scale bridge pier of multiple circular concrete-filled tubes, numerical analysis was used to evaluate structural performance according to load directivity. In previous research (Ma <i>et al</i>. 2012, Shim <i>et al</i>. 2014), low cycle fatigue failure at bracing joints was observed, so enhanced bracing details to prevent premature failure are proposed in this analysis. The main purpose of this research is to investigate seismic performance for the diagonal direction load without premature failure at the joints when the structure reaches the ultimate load. The ABAQUS finite-element software is used to evaluate experimental performance. A quasi-static loading condition on a modular bridge pier is introduced to investigate structural performance. The results obtained from the analysis are evaluated by comparing with load.displacement responses from experiments. The concretefilled tubes with enhanced bracing details showed higher energy dissipation capacity and proper performance without connection failure for a diagonal load.
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참고문헌 (15)
참고문헌 신청
Chou, C.C. / 2006 / Cyclic tests of post-tensioned precast CFT segmental bridge columns with unbounded strands / Earthq. Eng. Struct. Dyn. 35(2):159~175
ElAawady, M.A. / 2012 / Analysis of segmental piers consisted of concrete filled FRP tubes / Eng. Struct. 38:142~152
Ellobody, E. / 2006 / Behaviour of normal and high strength concrete-filled compact steel tube circular stub columns / J. Construct. Steel Res. 62(7):706~715
Giakoumelis, G. / 2004 / Axial capacity of circular concrete-filled tube columns / J. Construct. Steel Res. 60(7):1049~1068
Gu, Q. / 2014 / Effect of buckling-restrained brace model parameters on seismic structural response / J. Construct. Steel Res. 98:100~113
ElAawady, M.A. / 2012 / Analysis of segmental piers consisted of concrete filled FRP tubes / Eng. Struct. 38:142~152
Ellobody, E. / 2006 / Behaviour of normal and high strength concrete-filled compact steel tube circular stub columns / J. Construct. Steel Res. 62(7):706~715
Giakoumelis, G. / 2004 / Axial capacity of circular concrete-filled tube columns / J. Construct. Steel Res. 60(7):1049~1068
Gu, Q. / 2014 / Effect of buckling-restrained brace model parameters on seismic structural response / J. Construct. Steel Res. 98:100~113
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