STUDY ON POLYURETHANE FOAM MATERIAL CONSTITUTIVE RELATION AND IT. S APPLICATION IN SANDWICH PANELS

Qin Peicheng; Zha Xiaoxiong; Yu Hang

doi:10.13204/j.gyjz200804020

Volume 38 Issue 4

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2008 > 38(4): 77-81

Zhang Min, Ma Jianlin, Chai Rui, Wu Weisheng. STUDY OF INFLUENCE OF SHEAR RING ON FORCE AND DEFORMATION PROPERTIES OF STEEL TUBULAR COMPOSITE PILE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(11): 67-72,88. doi: 10.13204/j.gyjz201311016

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Qin Peicheng, Zha Xiaoxiong, Yu Hang. STUDY ON POLYURETHANE FOAM MATERIAL CONSTITUTIVE RELATION AND IT. S APPLICATION IN SANDWICH PANELS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(4): 77-81. doi: 10.13204/j.gyjz200804020

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STUDY ON POLYURETHANE FOAM MATERIAL CONSTITUTIVE RELATION AND IT. S APPLICATION IN SANDWICH PANELS

doi: 10.13204/j.gyjz200804020

1.
Civil Engineering of Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 510085

Received Date: 2007-06-03
Publish Date: 2008-04-20

Abstract

Abstract

In order to investigate the stress-strain relationship and Poisson. s ratio of the polyurethane foam material, the quas-i static tensile, compression, and shear test was conducted at room temperature with the loading speed 2mmPmin and the results show that, the material has an excellent ductility behavior on compression, but on tension and shearing, it. s obviously brittle; the Poisson. s ratio is somewhat discrete, it. s about 0. 25. In addition, based on it. s stress-strain relationship curves, a simple fitting constitutive relation is given. By the constitutive relation a FEM model is got to simulate the experiment, and the results show the validity of the constitutive relation model.
- tension,
- compression,
- shearing,
- stress,
- strain

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References(7)

References

金伟良. 工程荷载组合理论与应用. 北京: 机械工业出版社,2006: 165-187

[2] GB 50009-2001 建筑结构荷载设计规范

[3] 王振东. 混凝土及砌体结构(上册). 北京: 中国建筑工业出版社,2002: 64-67

[4] GB 50010-2002 混凝土结构设计规范

[5] 柳炳康. 荷载与结构设计方法. 武汉: 武汉理工大学出版社,2003: 125-144

[6] 过镇海. 混凝土的强度和本构关系) ) ) 原理和应用. 北京: 中国建筑工业出版社, 2004: 21-32

[7] 胡晓鹏. 结构构件抗力的调查统计与住宅结构可靠性分析: [学位论文]. 西安: 西安建筑科技大学, 2005

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沈阳化工大学材料科学与工程学院沈阳 110142

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