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Title: Constitutive relation for steel fibre concrete under biaxial compression
Authors: Tan, K.H. 
Murugappan, K.
Paramasivam, P. 
Keywords: Biaxial compression
compressive strength
failure envelope
steel fibre concrete
steel fibres
stress-strain relation
Issue Date: 1994
Citation: Tan, K.H.,Murugappan, K.,Paramasivam, P. (1994). Constitutive relation for steel fibre concrete under biaxial compression. Cement and Concrete Composites 16 (1) : 9-14. ScholarBank@NUS Repository.
Abstract: This paper presents an analytical model for predicting the response of steel fibre concrete under biaxial compression up to failure. The model treats the steel fibre concrete as an orthotropic material for which the constitutive relation based on a total stress-strain formulation is derived. In the derivation, the biaxial compressive strength of steel fibre concrete is first evaluated by treating it analogous to a plain concrete under triaxial compression, with a confining pressure due to the fibres in the third direction. By defining equivalent uniaxial stress-strain relations and establishing the secant moduli in the principal directions, the stress-strain relation for steel fibre concrete under biaxial loading is obtained by a stepwise procedure. The stress-strain relations so derived are found to compare well with available experimental data. © 1994.
Source Title: Cement and Concrete Composites
ISSN: 09589465
Appears in Collections:Staff Publications

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