Efficient Representation of Concrete Constitutive Data for Moment Capacity Calculations

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Title: Efficient Representation of Concrete Constitutive Data for Moment Capacity Calculations

Author(s): David J. Mukai

Publication: Structural Journal

Volume: 96

Issue: 5

Appears on pages(s): 720-727

Keywords: columns; flexural strength; high-strength concretes; stress-strain relationships

DOI: 10.14359/725

Date: 9/1/1999

Abstract:
Three nondimensional constitutive parameters based on stress-strain data are presented. In conjunction with the maximum stress and ulti-mate strain, these constitutive parameters can be used to compute the capacities of rectangular, triangular, or linearly tapering cross sec-tions to any desired accuracy. The initial and primary purpose of these constitutive parameters is to provide an efficient means of rep-resenting constitutive data for moment capacity calculations. These constitutive parameters also have other uses: providing a method of calculating moment capacities using complicated constitutive laws, calculating curvature at failure, and calculating capacities for biax-ial square columns with triangular compressive areas.


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