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Listar por palabra clave "Bond"

Mostrando ítems 1-20 de 28

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Analytical model for transfer length prediction of 13 mm prestressing strand

Martí Vargas, José Rocío; Arbeláez, C.A.; Serna Ros, Pedro; Navarro Gregori, Juan; Pallarés Rubio, Luis (2007)

An experimental investigation to determine the transfer length of a seven-wire prestressing strand in different concretes is presented in this paper. A testing technique based on the analysis of bond behaviour by means ...
Bendito es el fruto de tu vientre: explorando diferentes aspectos de la maternidad a través de la expresión artística.

Íñiguez Calero, Marina (Universitat Politècnica de València, 2024-09-16)

[ES] Bendito es el fruto de tu vientre nace de una necesidad personal de agradecimiento hacia las mujeres que han guiado mi vida, mis antecesoras. En este proyecto exploro la maternidad con la intención de homenajear dando ...
Bond mechanism of 18-mm prestressing strands: New insights and design applications

Dang, Canh N.; Martí Vargas, José Rocío; Hale, W. Micah (Techno-Press, 2020-10-10)

[EN] Pretensioned concrete (PC) is widely used in contemporary construction. Bond of prestressing strand is significant for composite-action between the strand and concrete in the transfer and flexural-bond zones of PC ...
Bond model of 15.2 mm strand with consideration of concrete creep and shrinkage

Kareem, R.S.; Al-Mohammedi, A.; Dang, C.N.; Martí Vargas, José Rocío; Hale, W.M. (Thomas Telford Ltd., 2020-08)

[EN] The bond between prestressing strands and concrete in the transfer zone of pretensioned concrete members is a complicated mechanism. Concrete creep and shrinkage are dominant time-dependent factors that affect the ...
Bond of 13 mm prestressing steel strands in pretensioned concrete members

Martí Vargas, José Rocío; Serna Ros, Pedro; Navarro Gregori, Juan; Pallarés Rubio, Luis (Elsevier, 2012-05-07)

This paper presents an experimental research work to determine both the transmission and the anchorage lengths of seven-wire prestressing steel strands in different concrete mixes. A testing technique based on a bond ...
Bond of Reinforcement in Concrete Applied to Concrete Quality Control: The Bottle Bond Test

García Taengua, Emilio José; Martí Vargas, José Rocío; Serna Ros, Pedro (WILEY-BLACKWELL, 2014-02)

This paper presents the results of an experimental research dealing with bond strength as a parameter for concrete quality control. To this end, a low-cost testing technique has been developed: the Bottle Bond Test (BBT). ...
Bond of reinforcing bars to steel fiber reinforced concrete

García Taengua, Emilio José; Martí Vargas, José Rocío; Serna Ros, Pedro (Elsevier, 2016-02)

Steel fiber reinforced concrete (SFRC) has been increasingly used during recent years. Regarding bond of rebars to concrete, fibers provide passive confinement and improve bond capacity in terms of bond strength and, more ...
Bond of Reinforcing Bars to Steel Fiber Reinforced Concrete (SFRC)

García Taengua, Emilio José (Universitat Politècnica de València, 2013-10-21)

The use of steel fiber reinforced concrete (SFRC hereafter) is becoming more and more common. Building codes and recommendations are gradually including the positive effect of fibers on mechanical proper ...
Bond Stress-Slip Model for 0.6 in. (15.2 mm) Diameter Strand

Dang, CN; Floyd, RW; Murray, CD; Hale, WM; Martí Vargas, José Rocío (AMER CONCRETE INST, 2015)

In pretensioned concrete members, strand bond is necessary for transferring prestress force from the prestressing strands to the adjacent concrete. This paper proposes a new bond stress-slip model for 0.6 in. (15.2 mm), ...
Characterization of the Bond Strength between Ultra-High Performance Concrete and Normal Strength Concrete in accordance with Split Prism and Freeze-Thaw cycling tests

Carbonell Muñoz, Miguel Ángel (Universitat Politècnica de València, 2012-11-29)

[ES] Un trabajo experimental fue llevado a cabo para evaluar la unión de UHPC con el hormigón convencional para aplicaciones de rehabilitación de estructuras del hormigón. Las condiciones de saturación del substrato, la ...
Effect of concrete compressive strength on transfer length

Ramirez-Garcia, Alberto T.; Floyd, R.W.; Hale, W. M.; Martí Vargas, José Rocío (Elsevier, 2016)

[EN] This paper examines the effect of concrete compressive strength on the transfer length of prestressing strands. The paper includes the results from several research projects conducted at the University of Arkansas ...
Effects of concrete composition on transmission length of prestressing strands

Martí Vargas, José Rocío; Serna Ros, Pedro; Navarro Gregori, Juan; Bonet Senach, José Luís (Elsevier, 2012)

The bond behaviour of prestressing strands in precast pretensioned concrete members, and its transmission length, depends on several factors. However, no consensus exists on the main parameters to be considered in the ...
Espejos Rotos

Anegon Gallego, Alicia (Universitat Politècnica de València, 2024-11-06)

[ES] Una reflexión sobre el gran impacto que tiene la relación con su madre en el carácter e imagen propia de cualquier mujer. Se trata de un recorrido mediante ilustraciones por las distintas fases y facetas por los que ...
Estudio de alternativas para la mejora del tráfico en la intersección de la carretera CV-405 con la CV-415, T.M. Monserrat (Valencia). Solución de enlace mediante paso inferior bajo la CV-405

Navarro Edo, Sara (Universitat Politècnica de València, 2015-10-19)

[EN] In this project, "Study of alternatives for improving traffic in the CV-405 and CV-415, T.M. Monserrat" is proceed to characterization of the current traffic at the intersection of these two roads to determine the ...
Estudio experimental de la adherencia de armaduras pasivas de acero en hormigones reforzados con fibras

Vásquez Félix, Geovanny Ramón (Universitat Politècnica de València, 2017-01-16)

[EN] Reinforced concrete, as a composite material, requires the transmission of stress from one material to another, this is achieved through bond. Satisfactory performance of the bonding behavior is the most important ...
Experimental Technique for Measuring the Long-term Transfer Length in Prestressed Concrete

Martí Vargas, José Rocío; Caro Forero, Libardo Andrés; Serna Ros, Pedro (Wiley: 12 months, 2013-04)

This article presents a proposal of a test set-up and methodology for testing the transfer length evolution through time of prestressing reinforcement in pretensioned prestressed concrete members, aimed at providing a basis ...
Influence of concrete composition on anchorage bond behavior of prestressing reinforcement

Martí Vargas, José Rocío; García Taengua, Emilio José; Serna Ros, Pedro (Elsevier, 2013-11)

An experimental research addressing the effects of concrete composition and strength on anchorage bond behavior of prestressing reinforcement is presented to clarify the effect of material properties that have appeared ...
Prediction of development length from free-end slip in pretensioned concrete members

Dang, Canh N.; Floyd, Royce W.; Hale, W. Micah; Martí Vargas, José Rocío (Thomas Telford Ltd., 2018)

[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 ...
Proposed criteria to determine experimentally the transmission length of prestressed reinforcement

Arbeláez, C.A.; Martí Vargas, José Rocío; Serna Ros, Pedro; Castro-Bugallo, M Carmen (De Gruyter Open Sp. z o.o., 2006)

[EN] In pretensioned concrete, the force in the prestressing reinforcement is transferred to the concrete by bond in the end region of the member. The distance from the end of the member over which the effective prestressing ...
Reliability of transmission length estimation from strand end slip

Martí Vargas, José Rocío; Arbeláez, César A.; Serna Ros, Pedro; Castro-Bugallo, M Carmen (American Concrete Institute, 2007-07-01)

[EN] An experimental program on twelve series of specimens with different embedment lengths to determine the transfer length was conducted. Transfer length test results of seven-wire strand on twelve different concrete ...