ORTHOTROPIC CHARACTERS OF A CAST-IN-SITU CONCRETE HOLLOW PLATE AND THE CALCULATION METHOD OF AN EQUIVALENT ISOTROPIC PLATE

Shang Renjie; Wu Zhuanqin; Li Peixun

doi:10.13204/j.gyjz200902010

Volume 39 Issue 2

Dec. 2014

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Jiang Shouchao, Li Guoqiang, Ye Qiling. THEORETICAL AND EXPERIMENTAL RESEARCH ON NONLINEAR BEHAVIOUR OF STEEL FRAMES SUBJECTED TO FIRE[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(8): 66-69. doi: 10.13204/j.gyjz200408022

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Shang Renjie, Wu Zhuanqin, Li Peixun. ORTHOTROPIC CHARACTERS OF A CAST-IN-SITU CONCRETE HOLLOW PLATE AND THE CALCULATION METHOD OF AN EQUIVALENT ISOTROPIC PLATE[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(2): 72-75,93. doi: 10.13204/j.gyjz200902010

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ORTHOTROPIC CHARACTERS OF A CAST-IN-SITU CONCRETE HOLLOW PLATE AND THE CALCULATION METHOD OF AN EQUIVALENT ISOTROPIC PLATE

doi: 10.13204/j.gyjz200902010

1.
Central Research Institute of Building and Construction of MCC Group,Beijing 100088,China

Received Date: 2008-01-18
Publish Date: 2009-02-20

Abstract

Abstract

The orthotropic character of D3=D1D21/2 of a cast-in-situ concrete hollow slab is deduced.Based on the differential equation of the deformed surface of the orthotropic plate, one principal direction size is kept invariably, then another principal direction size is transformed linearly, maintains elasticity coefficient is kept the same as that of the first principal direction E=E1, Poisson ratio =121/2, thus the original orthogonal plate can be equivalent to an isotropic plate. Results are obtained through analysis: the deflection of the equivalent isotropic plate is the same as that of the original orthotropic plate at the corresponding point, whose internal forces have the simple relations Mx=Mx1、My=k1/2My1、Mxy=k1/4Mx1y1.
- hollow slab,
- orthotropic plate,
- isotropic plate,
- equivalent

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References(9)

References

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