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Author |
Beltran, J.F.; Nunez, E.; Nunez, F.; Silva, I.; Bravo, T.; Moffat, R. |
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Title |
Static response of asymmetrically damaged metallic strands: Experimental and numerical approach |
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Year |
2018 |
Publication |
Construction And Building Materials |
Abbreviated Journal |
Constr. Build. Mater. |
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Volume |
192 |
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Pages |
538-554 |
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Keywords |
Asymmetric damaged strands; Surface damage; Numerical model; Finite element simulation; Experimental test; Static capacity curve |
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Abstract |
In this study, the effect of the presence of broken wires (damage) asymmetrically distributed on metallic strands surfaces on their static response is assessed. To this end, a general mechanical model for multi layered strands is presented, in which damaged strands are treated as a 1D nonlinear beam under uncoupled biaxial bending and axial load (NLBM). The NLBM is validated by comparisons with the results obtained from an experimental program especially designed for studying the effect of surface damage distribution on strands response and 3D nonlinear finite element simulations. Analyses are carried out on two strand constructions: 1 x 7 and 1 x 19, in which the damage levels and strand diameters vary from 5% to 40% and from 3.5 mm to 22.2 mm, respectively. Results indicate that the NLBM accurate predicts the static response (residual strength, stiffness, axial strain field, and deformed configuration) of the asymmetrically damaged strands, achieving good computational efficiency and numerical robustness. (C) 2018 Elsevier Ltd. All rights reserved. |
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Address |
[Felipe Beltran, Juan] Univ Chile, Dept Civil Engn, Blanco Encalada 2002 Of 440, Santiago, Chile, Email: jbeltran@ing.uchile.cl; |
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Publisher |
Elsevier Sci Ltd |
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Language |
English |
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ISSN |
0950-0618 |
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Notes |
WOS:000453494600046 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
953 |
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