Behaviour of steel prestressing wires under extreme conditions of strain rate and temperature

Gálvez Díaz-Rubio, Francisco and Atienza Riera, José Miguel and Elices Calafat, Manuel (2011). Behaviour of steel prestressing wires under extreme conditions of strain rate and temperature. "Structural Concrete", v. 12 (n. 4); pp. 255-261. ISSN 1751-7648. https://doi.org/10.1002/suco.201100030.

Description

Title: Behaviour of steel prestressing wires under extreme conditions of strain rate and temperature
Author/s:
  • Gálvez Díaz-Rubio, Francisco
  • Atienza Riera, José Miguel
  • Elices Calafat, Manuel
Item Type: Article
Título de Revista/Publicación: Structural Concrete
Date: December 2011
ISSN: 1751-7648
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 purpose of this paper is to provide information on the behaviour of steel prestressing wires under likely conditions that could be expected during a fire or impact loads. Four loadings were investigated: a) the influence of strain rate – from 10–3 to 600 s–1 – at room temperature, b) the influence of temperature – from 24 to 600 °C – at low strain rate, c) the influence of the joint effect of strain rate and temperature, and d) damage after three plausible fire scenarios. At room temperature it was found that using “static” values is a safe option. At high temperatures our results are in agreement with design codes. Regarding the joint effect of temperature and strain rate, mechanical properties decrease with increasing temperature, although for a given temperature, yield stress and tensile strength increase with strain rate. The data provided can be used profitably to model the mechanical behaviour of steel wires under different scenarios.

More information

Item ID: 12389
DC Identifier: http://oa.upm.es/12389/
OAI Identifier: oai:oa.upm.es:12389
DOI: 10.1002/suco.201100030
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/suco.201100030/abstract
Deposited by: Memoria Investigacion
Deposited on: 10 Aug 2012 09:42
Last Modified: 24 Sep 2018 11:09
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