FREE AND WARPING TORSION RIGIDITIES OF HOT-ROLLED SECTIONS WITH TAPERED FLANGE THICKNESS

Chen Weiwen; Tong Genshu; Zhang Lei

doi:10.13204/j.gyjz201304004

Volume 43 Issue 4

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2013 > 43(4): 19-21,27

Chen Weiwen, Tong Genshu, Zhang Lei. FREE AND WARPING TORSION RIGIDITIES OF HOT-ROLLED SECTIONS WITH TAPERED FLANGE THICKNESS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(4): 19-21,27. doi: 10.13204/j.gyjz201304004

Citation:

Chen Weiwen, Tong Genshu, Zhang Lei. FREE AND WARPING TORSION RIGIDITIES OF HOT-ROLLED SECTIONS WITH TAPERED FLANGE THICKNESS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(4): 19-21,27. doi: 10.13204/j.gyjz201304004

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FREE AND WARPING TORSION RIGIDITIES OF HOT-ROLLED SECTIONS WITH TAPERED FLANGE THICKNESS

doi: 10.13204/j.gyjz201304004

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

Received Date: 2013-01-25
Publish Date: 2013-04-20

Abstract

Abstract

It was derived the warping and free torsional rigidities of hot-rolled steel cross-sections with flanges of tapered thickness.Tables were provided to find these properties of all hot-rolled sections available in China.It was found that the warping inertia moments of hot-rolled channels are 13%~18% smaller than channels with assumed uniform thickness, and those of hot-rolled I sections were 16%~22% smaller than I-sections with uniform thickness.The warping inertia moments of all the series of hot-rolled channels and I sections were listed, and the formulas for calculating the free torsional constants of the sections considering the change in flange thickness were also given.
- warping inertia moment,
- free torsional constant,
- thin-walled member ?

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References(3)

References

郭在田.薄壁杆件的弯曲与扭转[M].北京:中国建筑工业出版社,1989.

[2] Timoshenko S.材料力学(高等理论及问题)[M].汪一麟,译.北京:科学出版社,1979.

[3] 童根树.钢结构的平面外稳定[M].北京:中国建筑工业出版社,2007.

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