CLC number: TU391
On-line Access: 2011-02-08
Received: 2010-04-19
Revision Accepted: 2010-06-08
Crosschecked: 2011-01-07
Cited: 1
Clicked: 6093
Su-qing Huang, Ju Chen, Wei-liang Jin. Numerical investigation and design of thin-walled complex section steel columns[J]. Journal of Zhejiang University Science A, 2011, 12(2): 131-138.
@article{title="Numerical investigation and design of thin-walled complex section steel columns",
author="Su-qing Huang, Ju Chen, Wei-liang Jin",
journal="Journal of Zhejiang University Science A",
volume="12",
number="2",
pages="131-138",
year="2011",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1000185"
}
%0 Journal Article
%T Numerical investigation and design of thin-walled complex section steel columns
%A Su-qing Huang
%A Ju Chen
%A Wei-liang Jin
%J Journal of Zhejiang University SCIENCE A
%V 12
%N 2
%P 131-138
%@ 1673-565X
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1000185
TY - JOUR
T1 - Numerical investigation and design of thin-walled complex section steel columns
A1 - Su-qing Huang
A1 - Ju Chen
A1 - Wei-liang Jin
J0 - Journal of Zhejiang University Science A
VL - 12
IS - 2
SP - 131
EP - 138
%@ 1673-565X
Y1 - 2011
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1000185
Abstract: A numerical investigation of thin-walled complex section steel columns with intermediate stiffeners was performed using finite element analysis. An accurate and reliable finite element model was developed and verified against test results. Verification indicates that the model could predict the ultimate strengths and failure modes of the tested columns with reasonable accuracy. Therefore, the developed model was used for the parametric study. In addition, the effect of geometric imperfection on column ultimate strength and the effect of boundary conditions on the elastic distortional buckling of complex section columns were investigated. An equation for the elastic distortional buckling load of fixed-ended columns having different column lengths was proposed. The elastic distortional buckling load obtained from the proposed equation was used in the direct strength method to calculate the column ultimate strength. Generally, it is shown that the proposed design equation conservatively predicted the ultimate strengths of complex section columns with different column lengths.
[1]ABAQUS, 2004. Analysis User’s Manual. Version 6.5. ABAQUS, Inc.
[2]AISI (American Iron and Steel Institute), 2004. Supplement to the North American Specification for Design of Cold-Formed Steel Structural Members. AISI, Washington, DC.
[3]AISI (American Iron and Steel Institute), 2006. Direct Strength Method Design Guide. AISI, Washington, DC.
[4]Chen, J., Young, B., 2007. Cold-formed steel lipped channel columns at elevated temperatures. Engineering Structures, 29(10):2445-2456.
[5]Chen, J., Yong, H., Jin, W.L., 2010. Stub column tests of thin-walled complex section with intermediate stiffeners. Thin-Walled Structures, 48(6):423-429.
[6]Dawe, J.L., Liu, L., Li, J.Y., 2010. Strength and behavior of cold-formed steel offset trusses. Journal of Constructional Steel Research, 66(4):556-565.
[7]Kaitila, O., 2002. Finite Element Modeling of Cold-Formed Steel Members at High Temperatures. PhD Thesis, Helsinki University, Finland.
[8]Kwon, Y.B., Kim, B.S., Hancock, G.J., 2009. Compression tests of high strength cold-formed steel channels with buckling interaction. Journal of Constructional Steel Research, 65(2):278-289.
[9]Papangelis, J.P., Hancock, G.J., 1995. Computer analysis of thin-walled structural members. Computers and Structures, 56(1):157-176.
[10]Schafer, B.W., 2002. Progress on the Direct Strength Method. Proceeding of 16th International Specialty Conference on Cold-Formed Steel Structures, Orlando, Florida. p.647-662.
[11]Schafer, B.W., Peköz, T., 1998. Direct Strength Prediction of Cold-formed Steel Members Using Numerical Elastic Buckling Solutions. Proceedings of the 14th International Specialty Conference on Cold-Formed Steel Structures, University of Missouri-Rolla, USA, p.69-76.
[12]Sputo, T., Tovar, J., 2005. Application of direct strength method to axially loaded perforated cold-formed steel studs: long wave buckling. Thin-Walled Structures, 43(12):1852-1881.
[13]Tovar, J., Sputo, T., 2005. Application of direct strength method to axially loaded perforated cold-formed steel studs: distortional and local buckling. Thin-Walled Structures, 43(12):1882-1912.
[14]Yan, J., Young, B., 2002. Column test of cold-formed steel channels with complex stiffeners. Journal of Structural Engineering, ASCE, 128(6):737-745.
[15]Young, B., 2004. Design of channel columns with inclined edge stiffeners. Journal of Constructional Steel Research, 60(2):183-197.
[16]Young, B., Rasmussen, K.J.R., 1998. Tests of fixed-ended plain channel columns. Journal of Structural Engineering, ASCE, 124(2):131-139.
[17]Young, B., Yan, J., 2004a. Channel columns undergoing local, distortional, and overall buckling. Journal of Structural Engineering, ASCE, 128(6):728-736.
[18]Young, B., Yan, J., 2004b. Design of cold-formed steel channel columns with complex edge stiffeners by direct strength method. Journal of Structural Engineering, ASCE, 130(11):1756-1763.
[19]Young, B., Ellobody, E., 2007. Design of cold-formed steel unequal angle compression members. Thin-walled Structures, 45(3):330-338.
[20]Young, B., Chen, J., 2008. Design of cold-formed steel built-up closed sections with intermediate stiffeners. Journal of Structural Engineering, ASCE, 134(5):727-738.
[21]Yu, C., Schafer, B.W., 2007. Simulation of cold-formed steel beams in local and distortional buckling with applications to the direct strength method. Journal of Constructional Steel Research, 63(5):581-590.
[22]Yu, W.W., 2000. Cold-Formed Steel Design (3rd Ed.). Wiley, New York.
Open peer comments: Debate/Discuss/Question/Opinion
<1>