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Axial Load Behavior of Stiffened Concrete-Filled Steel Columns
Abstract
This study investigates the axial load behavior of concrete-filled steel tubular (CFT) columns with the width-to-thickness ratios between 40 and 150, and proposes an effective stiffening scheme to improve the mechanical properties of square cross-sectional CFT columns. Seventeen specimens were tested to examine the effects of cross-sectional shapes, width-to-thickness ratios, and stiffening arrangements on the ultimate strength, stiffness, and ductility of CFT columns. Moreover, nonlinear finite element analysis was also conducted to investigate cross-sectional axial stress distribution at the ultimate strength. Comparing the measured ultimate strength with estimates by using some current specifications suggested that current specifications may considerably underestimate the ultimate strength of circular CFT columns, particularly for columns with a small width-to-thickness ratio. Results in this study demonstrate that the proposed stiffening scheme can significantly enhance the ultimate strength and ductility of square CFT columns.
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Citations
Cited by
Experimental investigation of concrete-filled cold-formed high strength stainless steel tube columns
Young, B., & Ellobody, E. (2006) · Journal of Constructional Steel Research · doi:10.1016/j.jcsr.2005.08.004 · Cited by 287
Tao, Z., Han, L.-H., & Wang, D.-Y. (2008) · Thin-Walled Structures · doi:10.1016/j.tws.2008.01.007 · Cited by 240
Stiffened concrete-filled steel tubes: A systematic review
Alatshan, F., Osman, S. A., Hamid, R., & Mashiri, F. (2020) · Thin-Walled Structures · doi:10.1016/j.tws.2019.106590 · Cited by 129
Lyu, F., Fan, X., Ding, F., & Chen, Z. (2021) · Composite Structures · doi:10.1016/j.compstruct.2021.114282 · Cited by 77
Metadata
- Authors
- Huang, C. S., Yeh, Y.-K., Liu, G.-Y., Hu, H.-T., Tsai, K. C., Weng, Y. T., Wang, S. H., & Wu, M.-H.
- Venue
- Journal of Structural Engineering
- Published
- 2002-09
- Volume
- 128
- Issue
- 9
- Pages
- 1222-1230
- ISSN
- 0733-9445 (ISSN-L)
- 1943-541X
- DOI
- 10.1061/(asce)0733-9445(2002)128:9(1222
- OpenAlex
- W2058410918
- Cited by
- 333
- References
- 0
- FWCI
- 16.18
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Huang, C. S., Yeh, Y.-K., Liu, G.-Y., Hu, H.-T., Tsai, K. C., Weng, Y. T., Wang, S. H., & Wu, M.-H. (2002). Axial Load Behavior of Stiffened Concrete-Filled Steel Columns. Journal of Structural Engineering. https://doi.org/10.1061/(asce)0733-9445(2002)128%3A9(1222
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