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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Abdelatif, Amged O.; Owen, John S.; Hussein, Mohammed F.M.
Publisher: Trans Tech Publications Inc.
Languages: English
Types: Article
Subjects:

Classified by OpenAIRE into

mesheuropmc: musculoskeletal system, musculoskeletal diseases
Many post-tensioned concrete bridges have been reported to have ruptured tendons due to corrosion [1] and the assessment of their residual structural capacity has to account for the possibility of re-anchorage of failed tendons. This paper presents an experimental programme to validate a numerical model developed by the authors for the re-anchorage of a ruptured tendon in post-tensioned concrete [2]. The experimental programme considered 33 post-tensioned concrete prisms, in which the rupture of tendon was simulated by releasing the tendon at one end. The full field displacement at concrete surface after release was measured using 3D Electronic Speckle Pattern Interferometry (ESPI). A wide range of parameters: tendon diameter, duct material, grout strength, concrete strength and shear reinforcement were investigated to validate the proposed model, which is found to be suitable for use in assessing post-tensioned concrete bridges with damaged tendons.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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    • [12] J. D. Geddes, I. Soroka, Effect of grout properties on transmission length in grout-bonded posttensioned concrete beams, in: Magazine of Concrete Research, vol 16, Thomas Telford London, 1964, pp. 93-98.
    • [13] M. Schupack, D. W. Johnston, Journal of The American Concrete Institute 71 (1974) 522-525.
    • [14] S. Buchner, P. Lindsell, Testing of prestressed concrete structures during demolition, in: 1987.
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    • [16] K. Watanabe, T. Tadokoro, Y. Tanimura, Quarterly Report of RTRI 52 (2011) 224-229.
    • [17] Tanaka Y., Kawano H., Watanabe H., K. T., Chloride-induced deterioration and its influence on load carrying capacity of post-tensioned concrete bridges, in: Third int. conf. concrete under severe conditions - Environment and loading, 2001, pp. p. 495-502.
    • [18] P. Hariharan, Basics of interferometry Elsevier Academic Press, Amsterdam ; Boston, 2007, p. xxi, 226 p.
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