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Prediction of development length from free-end slip in pretensioned concrete members

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Prediction of development length from free-end slip in pretensioned concrete members

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dc.contributor.author Dang, Canh N. es_ES
dc.contributor.author Floyd, Royce W. es_ES
dc.contributor.author Hale, W. Micah es_ES
dc.contributor.author Martí Vargas, José Rocío es_ES
dc.date.accessioned 2019-09-21T20:03:02Z
dc.date.available 2019-09-21T20:03:02Z
dc.date.issued 2018 es_ES
dc.identifier.issn 0024-9831 es_ES
dc.identifier.uri http://hdl.handle.net/10251/126167
dc.description.abstract [EN] Development length of prestressing strands is a significant parameter in the design of pretensioned concrete members. The adequacy of the code equations used to predict the development length needs to be verified when a new material or design parameter is introduced for precast, prestressed concrete applications. This study develops a simple and reliable technique to quantify the development length based on the premise of the slip theory, which proposes the free-end slip (FES) as an indicator of the development length. Twenty-five pretensioned concrete beams were cast with 15 mm diameter strands. FES was measured at both beam ends at prestress transfer. Development length was determined by performing bending tests at different embedment lengths. The experimental results were synthesised to revise the slip theory. The applicability of the revised-slip theory was validated by collected experimental data of pretensioned concrete members using various types of concrete, strand diameters and release techniques. es_ES
dc.description.sponsorship The authors would like to acknowledge the financial and technical support of the Arkansas State Highway and Transportation Department (AHTD), Mack-Blackwell Rural Transportation Center (MBTC) and Ton Duc Thang University. The contents of this paper reflect the views of the authors, and do not necessarily reflect the views of the research sponsors. es_ES
dc.language Inglés es_ES
dc.publisher Thomas Telford Ltd. es_ES
dc.relation.ispartof Magazine of Concrete Research es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Beams & girders es_ES
dc.subject Bond es_ES
dc.subject Prestressed concrete es_ES
dc.subject.classification INGENIERIA DE LA CONSTRUCCION es_ES
dc.title Prediction of development length from free-end slip in pretensioned concrete members es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1680/jmacr.17.00334 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería de la Construcción y de Proyectos de Ingeniería Civil - Departament d'Enginyeria de la Construcció i de Projectes d'Enginyeria Civil es_ES
dc.description.bibliographicCitation Dang, CN.; Floyd, RW.; Hale, WM.; Martí Vargas, JR. (2018). Prediction of development length from free-end slip in pretensioned concrete members. Magazine of Concrete Research. 70(14):714-725. https://doi.org/10.1680/jmacr.17.00334 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1680/jmacr.17.00334 es_ES
dc.description.upvformatpinicio 714 es_ES
dc.description.upvformatpfin 725 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 70 es_ES
dc.description.issue 14 es_ES
dc.relation.pasarela 379435 es_ES


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