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https://open.uns.ac.rs/handle/123456789/4946
Title: | Rheological-dynamical continuum damage model applied to research of the rotational capacity of a reinforced concrete beams | Authors: | Milašinović, Dragan Goleš, Danica Čeh, Arpad |
Issue Date: | 1-Jan-2016 | Journal: | Periodica Polytechnica Civil Engineering | Abstract: | © 2016, Technical University of Budapest. All rights reserved. In this paper a new rheological-dynamical continuum damage model for concrete under compression is used to research the behaviour of reinforced concrete beams subjected to bending. Within the framework of this approach the stress-strain curve of a concrete under compression in the pre-peak regime can be computed if the compressive strength, elastic modulus, concrete density and Poisson’s ratio are experimentally evaluated. The ultimate strain is determined in the post-peak regime only, using the secant stress-strain relation from damage mechanics. Experimental stress-strain data in the pre-peak regime for five concrete compositions were obtained during the examination presented herein. The numerical predictions regarding moment-curvature and ductility of a reinforced concrete beam are presented for five concrete compositions, demonstrating capabilities of a new analytical model. | URI: | https://open.uns.ac.rs/handle/123456789/4946 | ISSN: | 05536626 | DOI: | 10.3311/PPci.8763 |
Appears in Collections: | GF Publikacije/Publications |
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