Behavior of Strain Softening Materials in Flexural Bending

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Title: Behavior of Strain Softening Materials in Flexural Bending

Author(s): Tze-Jer Chuang and Yui-Wing Mai

Publication: Special Publication

Volume: 105

Issue:

Appears on pages(s): 85-100

Keywords: bending; cements; concretes; cracking (fracturing); fibers; crack propagation; strains; stress-strain relationships; Materials Research

Date: 12/1/1987

Abstract:
Theoretical analysis is used to predict bending properties of strain-softening materials from known stress-strain relationships in uniaxial tension and compression. Conversely, given the bending load-displacement relation, it is possible to predict the entire tensile strain-softening response. Bending properties of a polymer concrete have been obtained using the proposed theory and given stress-strain relationships. It is shown that the bending strength is higher than the tensile strength due to the strain-softening effect.