Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/76484
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Type: Journal article
Title: The tension stiffening mechanism in reinforced concrete prisms
Author: Muhamad, R.
Mohamed Sadakkathulla, M.
Oehlers, D.
Griffith, M.
Citation: Advances in Structural Engineering, 2012; 15(12):2053-2069
Publisher: Multi-science Publishing Co. Ltd.
Issue Date: 2012
ISSN: 1369-4332
2048-4011
Statement of
Responsibility: 
Rahimah Muhamad, M.S. Mohamed Ali, Deric John Oehlers and Michael Griffith
Abstract: Tension stiffening is an important phenomenon in reinforced concrete because it controls not only deflections but also crack spacings, crack widths and the formation of multiple cracks. It is now common practice to study the effects of tension stiffening in concentrically loaded prisms, which is the subject of this paper, and use these behaviours as guidance for the effects of tension stiffening in reinforced concrete beams. As tension stiffening is a mechanism for stress transfer between the concrete and reinforcement, the interface bond stress-slip (τ-δ) properties are of utmost importance. In this paper, partial interaction theory is used to develop generic closed form solutions for crack spacings and widths, the load to cause primary, secondary cracks and subsequent cracks. Four different types of interface bond characteristics (τ-δ) are considered: a linear ascending bond slip which is useful at serviceability; a linear descending bond slip which is useful at the ultimate limit state; a nonlinear bond slip characteristic which closely resembles material bond slip behavior at all limits; and the CEB-FIP Model Code 90 (CEB 1992).
Keywords: reinforced concrete; tension stiffening; partial interaction; deflections; crack spacings; crack widths; bond stress slip.
Rights: Copyright status unknown
RMID: 0020123772
DOI: 10.1260/1369-4332.15.12.2053
Grant ID: http://purl.org/au-research/grants/arc/DP0985828
Appears in Collections:Civil and Environmental Engineering publications

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