DAMAGE SENSITIVITY ANALYSIS OF L-SHAPED SECTION BASED ON ORTHOGONAL DESIGN

Li Shuchun; Diao Bo; Ye Yinghua

doi:10.13204/j.gyjz200705002

Volume 37 Issue 5

Dec. 2014

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Li Shuchun, Diao Bo, Ye Yinghua. DAMAGE SENSITIVITY ANALYSIS OF L-SHAPED SECTION BASED ON ORTHOGONAL DESIGN[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 5-9. doi: 10.13204/j.gyjz200705002

Citation:

Li Shuchun, Diao Bo, Ye Yinghua. DAMAGE SENSITIVITY ANALYSIS OF L-SHAPED SECTION BASED ON ORTHOGONAL DESIGN[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 5-9. doi: 10.13204/j.gyjz200705002

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DAMAGE SENSITIVITY ANALYSIS OF L-SHAPED SECTION BASED ON ORTHOGONAL DESIGN

doi: 10.13204/j.gyjz200705002

1.
Department of Civil Engineering,Beihang University Beijing 100083

Received Date: 2006-12-19
Publish Date: 2007-05-20

Abstract

Abstract

A section damage model is given based on damage constitutive relation of compression concrete and damage parameters is studied for L-shaped cross-section under biaxial bending with orthographic design method in order to select sensitivity factors. The research result indicates that the flange-thick ratio is the most important factor for the cross-section bearing capacity, the next is steel ratio and loading angle, which is a very important factor due to its asymmetry. Study also found out that steel ratio can reduce section damage, next is concrete strength, last one is loading angle which can aggravate section damage.
- L-shaped section,
- compression damage,
- damage analysis model of section,
- orthogonal design

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References(11)

References

Cheng-Tzu Thomas Hsu. T-Shaped Reinforced Concrete M embers UnderBeaxial Bending and Axial Compression, ACI Structural Journal, 1989,86: 460-468

Cheng-Tzu Thomas Hsu. Reinforced Concrete Members Subject toCombined Biaxial Bending and Axial Compression. PP Proceeding, ACIJournal, 1986, 83(1): 37-144

Bonet J L, Romero M L. A Fast Stress Integration Algorithm forReinforced Concrete Sections with Axial Loads and Biaxial Bending.Computer and Structures, 2004(82): 213-225

Ye Yinghua, Diao Bo. Nonlinear Analysis of Concrete Structure.Barbin: Barbin Iinstitute of Technology Press, 1993(3): 35-55

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陈云霞, 刘超, 赵艳静, 等. T 形、L 形截面钢筋混凝土双向压弯构件正截面承载力的研究. 建筑结构, 1999(1): 11-15

JGJ 149-2006 混凝土异形柱结构技术规程

Krajcinovic, D Lemaitre J. Continuum Damage M echanics Theory andApplications. Springer-Verilag, New York: 1987: 233-294

李淑春, 刁波, 叶英华. 基于能量方法的分段曲线混凝土损伤模型. 工业建筑, 2007, 37(5): 1-4

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