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WCE
2007

Modeling and Analysis of an Elastic Compound Strut in Axial Compression

11 years 27 days ago
Modeling and Analysis of an Elastic Compound Strut in Axial Compression
— This paper presents an analytical model for calculating the deformation behavior of an elastic, composite strut comprising any number of materials, which are represented by an assembly of concentric hollow cylinder. The model is applicable for pure axial compression for short struts provided elastic instability, if any, is assessed to be of negligible effect. For a typical constituent cylinder, relationships are derived to describe the deformations along three cylindrical co-ordinate axes. Lateral interaction between adjacent cylinders is modeled based on the elastic theory, taking into account the equilibrium of individual cylinders and the elastic parameters: stress-strain modulus and Poisson’s ratio. The relationships are expressed in matrix notation and a computer program is developed to enhance rapidity of analysis. To assess the validity of the model, the program is used to analyze test data from an instrumented, steel-encased reinforced concrete column which had previously...
Joshua R. Omer
Added 07 Nov 2010
Updated 07 Nov 2010
Type Conference
Year 2007
Where WCE
Authors Joshua R. Omer
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