Cohesive-frictional model for bond and splitting action of prestressing wire

Gálvez Ruiz, Jaime and Benitez Baena, Jose Maria and Casati Calzada, María Jesús and Tork, B.S. and Cendón Franco, David Ángel (2011). Cohesive-frictional model for bond and splitting action of prestressing wire. "International Journal for Numerical and Analytical Methods in Geomechanics", v. 35 (n. 11); pp. 1257-1277. ISSN 0363-9061. https://doi.org/10.1002/nag.956.

Description

Title: Cohesive-frictional model for bond and splitting action of prestressing wire
Author/s:
  • Gálvez Ruiz, Jaime
  • Benitez Baena, Jose Maria
  • Casati Calzada, María Jesús
  • Tork, B.S.
  • Cendón Franco, David Ángel
Item Type: Article
Título de Revista/Publicación: International Journal for Numerical and Analytical Methods in Geomechanics
Date: August 2011
ISSN: 0363-9061
Volume: 35
Subjects:
Freetext Keywords: concrete;prestressed concrete;bond splitting;fracture;modelling;finite element
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 a numerical procedure for bond between indented wires and concrete, and the coupled splitting process of the surrounding concrete. The bond model is an interface, non-associative, plasticity model. It is coupled with a cohesive fracture model for concrete to take into account the splitting of such concrete. Bond between steel and concrete is fundamental for the transmission of stresses between both materials in precast prestressed concrete. Indented wires are used to improve the bond in these structural elements. The radial component of the prestressing force, increased by Poisson's effect, may split the surrounding concrete, decreasing the wire confinement and diminishing the bonding. The combined action of the bond and the splitting is studied with the proposed model. The results of the numerical model are compared with the results of a series of tests, such as those which showed splitting induced by the bond between wire and concrete. Tests with different steel indentation depths were performed. The numerical procedure accurately reproduces the experimental records and improves knowledge of this complex process

More information

Item ID: 7169
DC Identifier: http://oa.upm.es/7169/
OAI Identifier: oai:oa.upm.es:7169
DOI: 10.1002/nag.956
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/nag.956/abstract
Deposited by: Memoria Investigacion
Deposited on: 15 Jul 2011 09:57
Last Modified: 31 May 2018 13:05
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