CONSTITUTIVE MODEL FOR REINFORCED FINITE ELEMENT ANALYSIS
The paper extends modified compression field theory (MCFT) so that it is more suitable for finite element implementation. The modifications eliminate the need to check that average concrete tensile stresses can be transmitted across the cracks. This is achieved by working strictly in terms of average stresses and strains for both the concrete and the reinforcing steel. Appropriate stress-versus-strain relationships are proposed which take into account the amount, size, distribution, and oreintation of the reinforcing steel. The effect of these modifications is an improvement in the simplicity and generality of MCFT with no loss of accuracy. The proposed constitutive model is implemented into a finite element formulation resulting in a powerful and efficient tool for the analysis of two-dimensional reinforced concrete structural elements.
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Availability:
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Corporate Authors:
P.O. Box 19150, Redford Station, 22400 Seven Mile Road
Detroit, MI United States 48219 -
Authors:
- Stevens, N J
- Uzumeri, S M
- Collins, M P
- Will, G T
- Publication Date: 1991-1
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 49-59
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Serial:
- ACI Structural Journal
- Volume: 88
- Issue Number: 1
- Publisher: American Concrete Institute (ACI)
- ISSN: 0889-3241
- Serial URL: http://www.concrete.org/PUBS/JOURNALS/SJHOME.ASP
Subject/Index Terms
- TRT Terms: Deformation curve; Finite element method; Mathematical models; Reinforced concrete; Reinforcing steel; Strain (Mechanics); Stresses; Structural analysis
- Uncontrolled Terms: Models
- Old TRIS Terms: Strains
- Subject Areas: Bridges and other structures; Highways; Materials; I20: Design and Planning of Transport Infrastructure;
Filing Info
- Accession Number: 00603376
- Record Type: Publication
- Files: TRIS
- Created Date: Feb 28 1991 12:00AM