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Size Effect on Strand Bond and Concrete Strains at Prestress Transfer

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Size Effect on Strand Bond and Concrete Strains at Prestress Transfer

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dc.contributor.author Martí Vargas, José Rocío es_ES
dc.contributor.author Caro Forero, Libardo Andrés es_ES
dc.contributor.author Serna Ros, Pedro es_ES
dc.date.accessioned 2015-06-16T11:01:59Z
dc.date.available 2015-06-16T11:01:59Z
dc.date.issued 2014
dc.identifier.issn 0889-3241
dc.identifier.uri http://hdl.handle.net/10251/51773
dc.description.abstract [EN] The size-effect phenomenon has been analyzed with pretensioned prestressed concrete prismatic specimens at prestress transfer. An experimental program that includes variables such as concrete mixture design, specimen cross section size, and concrete age, has been conducted. Several series of specimens with different embedment lengths have been made and tested using a testing technique based on the bond behavior analysis by measuring prestressing strand force. In addition, some specimens have been instrumented to determine longitudinal concrete strain profiles. The tests have provided data on concrete strains, transfer length, effective prestressing force, bond stress, and concrete modulus of elasticity. Relationships between measured prestressing strand forces and effective prestressing forces obtained from concrete compressive strains have been found. A coefficient to account for the specimen crosssection size-effect on the concrete modulus of elasticity has been proposed. Comparisons between test results and theoretical predictions from pre-existing equations in the codes have been made. es_ES
dc.description.sponsorship Funding for this research has been provided by the Spanish Ministry of Education and Science, the Ministry of Science and Innovation, and ERDF (Projects BIA2006-05521 and BIA2009-12722).
dc.language Inglés es_ES
dc.publisher American Concrete Institute es_ES
dc.relation MICINN/BIA2006-05521 es_ES
dc.relation MICINN/BIA2009-12722 es_ES
dc.relation.ispartof Structural Journal es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Bond es_ES
dc.subject Modulus of elasticity es_ES
dc.subject Prestress es_ES
dc.subject Size-effect es_ES
dc.subject Strain es_ES
dc.subject Strand es_ES
dc.subject Transfer length es_ES
dc.subject.classification INGENIERIA DE LA CONSTRUCCION es_ES
dc.title Size Effect on Strand Bond and Concrete Strains at Prestress Transfer es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.14359.51686530
dc.rights.accessRights Cerrado 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.contributor.affiliation Universitat Politècnica de València. Instituto de Ciencia y Tecnología del Hormigón - Institut de Ciència i Tecnologia del Formigó es_ES
dc.description.bibliographicCitation Martí Vargas, JR.; Caro Forero, LA.; Serna Ros, P. (2014). Size Effect on Strand Bond and Concrete Strains at Prestress Transfer. Structural Journal. 111(2):419-429. doi:10.14359.51686530 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://doi.org/10.14359.51686530 es_ES
dc.description.upvformatpinicio 419 es_ES
dc.description.upvformatpfin 429 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 111 es_ES
dc.description.issue 2 es_ES
dc.relation.senia 285242
dc.contributor.funder Ministerio de Ciencia e Innovación


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