Real and apparent direction of inertia in the ultimate limit state in doubly symmetrical reinforced concrete sections
Identifiers
Permanent link (URI): http://hdl.handle.net/10017/38632DOI: 10.1061/(ASCE)SC.1943-5576.0000438
ISSN: 1084-0680
Date
2019-06-01Bibliographic citation
Practice Periodical on Structural Design and Construction, 2019, v. 24, n. 4, p. 04019019-1-04019019-7
Keywords
Columns
Concrete structures
Stress analysis
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/acceptedVersion
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
(c) 2019 ASCE
Access rights
info:eu-repo/semantics/openAccess
Abstract
The principal direction of inertia in the ultimate limit state under axial load and biaxial bending of a doubly symmetrical reinforced concrete section is not the same as the direction of the principal axis of symmetry. If a hyperbolic stress&-strain relationship is used to describe the behavior of concrete in compression, then, to some extent, the maximum capacity direction deviates from the apparent main axis of inertia (the main axis of symmetry). This study explores the real maximum capacity direction of bending of two reinforced concrete sections with a variable amount of steel using two different axial compression loads and two different stress-strain relationships for concrete (parabolic- rectangular and hyperbolic). The results are presented in a collection of interaction diagrams.
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real_martinez_PPSDC_2019.pdf | 680.0Kb |
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