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Nonlinear FE analysis of cracks in tension and shear


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Publication Date: 2007-05-01

Journal Title: Magazine of Concrete Research

Publisher: Institute of Civil Engineers

Volume: 59

Issue: 4

Pages: 233-244

Language: English

Type: Article

Metadata: Show full item record

Citation: Kesse, G., & Lees, J. M. (2007). Nonlinear FE analysis of cracks in tension and shear. Magazine of Concrete Research, 59 (4), 233-244.

Description: This article was originally published in the Magazine of Concrete Research (http://www.concrete-research.com/) and is also available on the ICE Virtual Library (http://www.icevirtuallibrary.com/content/article/10.1680/macr.2007.59.4.233). © 2007 Thomas Telford Ltd. Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees.

Abstract: Smeared-crack finite element (FE) analyses of reinforced-concrete beams strengthened with prestressed carbonfibre-reinforced polymer (CFRP) shear straps have shown that, at high load levels, the stresses in the straps predicted by the FE analyses were less than the observed experimental values. As the straps are elastic and brittle it is important to investigate this anomaly since otherwise the FE predictions of CFRP shear-strengthened structures could prove to be unconservative. It was postulated that the concrete crack models used in the analyses were inadequate and thus the current work focuses on the FE modelling of cracks subjected to tension and shearing actions. Details of nonlinear FE analyses of the crack behaviour are presented and it is concluded that it is necessary to incorporate advanced crack models in order accurately to predict the stress in the CFRP reinforcing elements.

Identifiers:

This record's URL: http://dx.doi.org/10.1680/macr.2007.59.4.233http://www.repository.cam.ac.uk/handle/1810/244837

Rights: © 2007 Thomas Telford Ltd





Autor: Kesse, G.Lees, Janet M.

Fuente: https://www.repository.cam.ac.uk/handle/1810/244837



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