Influence of coiling on the stress relaxation of prestressing steel wires

Suárez Guerra, Fernando and Gálvez Ruiz, Jaime (2011). Influence of coiling on the stress relaxation of prestressing steel wires. "Structural Concrete", v. 12 (n. 2); pp. 120-125. ISSN 1464-4177.

Description

Title: Influence of coiling on the stress relaxation of prestressing steel wires
Author/s:
  • Suárez Guerra, Fernando
  • Gálvez Ruiz, Jaime
Item Type: Article
Título de Revista/Publicación: Structural Concrete
Date: June 2011
ISSN: 1464-4177
Volume: 12
Subjects:
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Construcción
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The possible deleterious effects of coiling and long time 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 like previous residual stresses, long time storage or storage at high temperatures, can trigger or emphasize this damage on the material. In the authors? opinion it is recommended to control the final curvature of the wires after uncoiling prior to prestressin, as required in some Standards.

More information

Item ID: 11448
DC Identifier: http://oa.upm.es/11448/
OAI Identifier: oai:oa.upm.es:11448
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/suco.201000019/abstract
Deposited by: Memoria Investigacion
Deposited on: 21 Sep 2012 05:49
Last Modified: 31 May 2018 13:06
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