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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.8 P.784-789


Elastoplastic analysis of knee bracing frame

Author(s):  HUANG Zhen, LI Qing-song, CHEN Long-zhu

Affiliation(s):  Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200030, China

Corresponding email(s):   huang_zhen_sh@263.net, lzchen@mail.sjtu.edu.cn

Key Words:  Steel frame, Knee bracing frame, Elastoplastic analysis

HUANG Zhen, LI Qing-song, CHEN Long-zhu. Elastoplastic analysis of knee bracing frame[J]. Journal of Zhejiang University Science A, 2005, 6(8): 784-789.

@article{title="Elastoplastic analysis of knee bracing frame",
author="HUANG Zhen, LI Qing-song, CHEN Long-zhu",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%T Elastoplastic analysis of knee bracing frame
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%DOI 10.1631/jzus.2005.A0784

T1 - Elastoplastic analysis of knee bracing frame
A1 - HUANG Zhen
A1 - LI Qing-song
A1 - CHEN Long-zhu
J0 - Journal of Zhejiang University Science A
VL - 6
IS - 8
SP - 784
EP - 789
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Y1 - 2005
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A0784

The knee bracing steel frame (KBF) is a new kind of energy dissipating frame, which combines excellent ductility and lateral stiffness. As the structural fuse of the frame, the knee element will yield first during a severe earthquake so that no damage occurs to the major structural members and the rehabilitation is easy and economical. To help fully understand the relations between its seismic performance and the structural parameters, systematic elastoplastic analysis of the KBF structure with finite element method was conducted in this work. Finally, general design recommendations were made according to the results of the analysis.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


[1] Aristizabal-Ochoa, J.D., 1986. Disposable knee bracing: improvement in seismic design of steel frames. Journal of Structural Engineering, 112(7):1544-1552.

[2] Balendra, T., Yu, C.Y., Xiao, Y., 2001. An economical structural system for wind and earthquake loads. Engineering Structures, 23:491-501.

[3] Mofid, M., Khosravi, P., 2000. Non-linear analysis of disposable knee bracing. Computers & Structures, 75:65-72.

[4] Roeder, C.W., Popov, E.P., 1978. Eccentrically braced steel frames for earthquakes. Journal of Structural Div ASCE, 104(3):391-412.

[5] Sam, M.T., Balendra, T., Liaw, C.Y., 1995. Earthquake-resistant steel frames with energy dissipating knee elements. Engineering Structure, 17(5):334-343.

[6] Shen, Z.Y., Chen, Y.Y., Chen, Y.Y., 2000. The Principle of Steel Structure. Chinese Industrial Building Press, Beijing, p.84-89 (in Chinese).

[7] William, M.S., Blakeborough, A., Clement, D., Bourahla, N., 2002. Seismic behavior of knee braced frames. Proceedings of the Institution of Civil Engineers: Structures and Buildings, 152(2):147-155.

Open peer comments: Debate/Discuss/Question/Opinion


mahanth k n<create0433@gmail.com>

2014-07-30 23:41:34

sir,i"m a student of structural engineering, i want a full information about this topic


2014-05-02 15:00:16

i m student of structure engg.


2014-05-02 14:59:04

Elastoplastic analysis of knee bracing frame


2014-04-30 02:16:36

Elastoplastic analysis of knee bracing frame

LXW@China University of Ming & Technology<neverlxw@hotmail.com>

2010-11-18 10:30:20

May I have the document.


2010-11-14 11:00:00

i want to get a document copy.
dq argentina


2010-09-15 15:22:16

i m student of structure engg. & i want full page of Elastoplastic analysis of knee bracing frame

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