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AuthorAbdelatif, A. O.
AuthorOwen, J. S.
AuthorHussein, M. F.M.
Available date2020-09-03T08:58:10Z
Publication Date2017
Publication NameJournal of Structural Engineering (United States)
ResourceScopus
ISSN7339445
URIhttp://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0001898
URIhttp://hdl.handle.net/10576/15920
AbstractThe contribution of ruptured tendons to the residual strength of bonded posttensioned concrete structures is currently assessed based on pretensioned concrete bond models. However, this approach is inaccurate due to the inherent differences between pretensioned and posttensioned concrete. In this paper, a nonlinear three-dimensional (3D) finite-element model is developed for the reanchoring of a ruptured tendon in posttensioned concrete. The model is validated using full-field displacement measurement from 33 posttensioned concrete prisms and previous experimental data on beams from the literature. The influence of different parameters is investigated, including tendon properties (i.e., diameter, roughness), duct properties (i.e., diameter, thickness, material), initial prestress, concrete strength, grout strength, grout voids, stirrups, and strands on the tendon reanchorage. The most influential parameters are found to be tendon and duct properties. 1 2017 American Society of Civil Engineers.
Languageen
PublisherAmerican Society of Civil Engineers (ASCE)
SubjectBond
Concrete and masonry structures
Corrosion
Electronic speckle pattern interferometry (ESPI)
Finite element
Modeling
Posttensioned concrete
Reanchorage
Rupture
Tendon
TitleModeling and Parametric Study of the Reanchorage of Ruptured Tendons in Bonded Posttensioned Concrete
TypeArticle
Issue Number12
Volume Number143
dc.accessType Abstract Only


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