RESIDUAL STIFFNESS ASSURING STABILITY OF REAL STEEL STRUCTURES

Tong Genshu; Jin Jian

doi:10.13204/j.gyjz201304001

Volume 43 Issue 4

Dec. 2014

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Tong Genshu, Jin Jian. RESIDUAL STIFFNESS ASSURING STABILITY OF REAL STEEL STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(4): 1-7,53. doi: 10.13204/j.gyjz201304001

Citation:

Tong Genshu, Jin Jian. RESIDUAL STIFFNESS ASSURING STABILITY OF REAL STEEL STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(4): 1-7,53. doi: 10.13204/j.gyjz201304001

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RESIDUAL STIFFNESS ASSURING STABILITY OF REAL STEEL STRUCTURES

doi: 10.13204/j.gyjz201304001

Tong Genshu¹,
Jin Jian²

1.
1. Institute of High Performance Material and Structure,Zhejiang University,Hangzhou 310058,China;
2.
2. Huahui Engineering Design Group Co,Shaoxing 312000,China?

Received Date: 2013-01-15
Publish Date: 2013-04-20

Abstract

Abstract

Through revisiting the classic problems of elastic and elastic-plastic buckling of frames, elastic-plastic stability of beam-columns, buckling of column braced at midspan by a horizontal brace and the buckling of dual structural system, it was proposed the concept of residual stiffness, i.e.the residual part of the total stiffness after deducting the stiffness depleted by horizontal forces and bending moments in the members.Check for stability of members and structures in real steel structures is to assure a minimum residual stiffness of the members and structures to resist against the destabilizing effect of gravity loads.Through analysis of the instability of beam-columns and dual structural systems, it was revealed that in the limit state, the stiffness was linearly or more than linearly decreased due to the horizontal load(bending moment).
- stability,
- stiffness,
- column,
- brace,
- dual structural system ?

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References(5)

References

童根树.钢结构的平面内稳定[M].北京:中国建筑工业出版社,2005.

[2] Jezke K. Die Festigkeit Von Druckst a Eben Aus Stahl[J]. Julius Springer,1937.

[3] 童根树.钢结构设计方法[M].北京:中国建筑工业出版社,2007.

[4] 童根树.柱间水平撑杆设计方法[J].西安冶金建筑学院学报,1986(3):110-133.

[5] Tong G S, Xing G R. Determination of Buckling Mode for Braced Elastic-Plastic Frames[J]. Engineering Structures,2007(29):2487-2496.

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