Study of bond stress-slip relationship and radial dilation in prestressed concrete

Benitez Baena, Jose Maria and Gálvez Ruiz, Jaime and Casati Calzada, María Jesús (2013). Study of bond stress-slip relationship and radial dilation in prestressed concrete. "International Journal for Numerical and Analytical Methods in Geomechanics", v. 37 (n. 16); pp. 2706-2726. ISSN 0363-9061. https://doi.org/10.1002/nag.2158.

Description

Title: Study of bond stress-slip relationship and radial dilation in prestressed concrete
Author/s:
  • Benitez Baena, Jose Maria
  • Gálvez Ruiz, Jaime
  • Casati Calzada, María Jesús
Item Type: Article
Título de Revista/Publicación: International Journal for Numerical and Analytical Methods in Geomechanics
Date: November 2013
ISSN: 0363-9061
Volume: 37
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

This paper presents two test procedures for evaluating the bond stress–slip and the slip–radial dilation relationships when the prestressing force is transmitted by releasing the steel (wire or strand) in precast prestressed elements. The bond stress–slip relationship is obtained with short length specimens, to guarantee uniform bond stress, for three depths of the wire indentation (shallow, medium and deep). An analytical model for bond stress–slip relationship is proposed and compared with the experimental results. The model is also compared with the experimental results of other researchers. Since numerical models for studying bond-splitting problems in prestressed concrete require experimental data about dilatancy angle (radial dilation), a test procedure is proposed to evaluate these parameters. The obtained values of the radial dilation are compared with the prior estimated by numerical modelling and good agreement is reached

More information

Item ID: 15925
DC Identifier: http://oa.upm.es/15925/
OAI Identifier: oai:oa.upm.es:15925
DOI: 10.1002/nag.2158
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/nag.2158/abstract;jsessionid=CEA0424C4703592F4E5A49A9FECD638D.f04t02
Deposited by: Memoria Investigacion
Deposited on: 09 Jan 2014 11:33
Last Modified: 31 May 2018 12:59
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