Influence of coiling on the stress relaxation of prestressing steel wires

Elices Calafat, Manuel and Suárez Guerra, Fernando and Gálvez Ruiz, Jaime and Cendón Franco, David Ángel and Atienza Riera, José Miguel (2011). Influence of coiling on the stress relaxation of prestressing steel wires. "Structural Concrete", v. 12 (n. 2); pp. 120-125. ISSN 1464-4177. https://doi.org/10.1002/suco.201000019.

Description

Title: Influence of coiling on the stress relaxation of prestressing steel wires
Author/s:
  • Elices Calafat, Manuel
  • Suárez Guerra, Fernando
  • Gálvez Ruiz, Jaime
  • Cendón Franco, David Ángel
  • Atienza Riera, José Miguel
Item Type: Article
Título de Revista/Publicación: Structural Concrete
Date: June 2011
Volume: 12
Subjects:
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ciencia de los Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The possible deleterious effects of coiling and long-term storage of coiled wires on the stress relaxation behaviour of prestressing steel wires has been checked by means of experimental work and a simple analytical model. The results show that if the requirements of standards are fulfilled (minimum coiling diameters), these effects can be neglected. However, some other factors, such as previous residual stresses, long-term storage or storage at high temperatures, can trigger or emphasize this damage to the material. In the authors' opinion, checking the final curvature of the wires after uncoiling prior to prestressing, as required in some standards, is to be recommended.

More information

Item ID: 12131
DC Identifier: http://oa.upm.es/12131/
OAI Identifier: oai:oa.upm.es:12131
DOI: 10.1002/suco.201000019
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/suco.201000019/abstract
Deposited by: Memoria Investigacion
Deposited on: 25 Sep 2012 08:40
Last Modified: 31 May 2018 13:07
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