Behavior of post-installed shear connectors under static and fatigue loading

Kwon, Gunup; Engelhardt, Michael D.; Klingner, Richard E.

doi:10.1016/j.jcsr.2009.09.012

Cited by 185 publications

(88 citation statements)

References 2 publications

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“…Dedic and Klaiber [7] and Kwon et al [8] investigated the shear capacity and performance of post installed bolted shear connectors under fatigue loading. The focus of their research was to strengthen the existing non-composite buildings using high strength friction grip bolts as shear connectors.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on demountable shear connectors in composite slabs with profiled decking

Rehman

Lam

Dai

et al. 2016

Journal of Constructional Steel Research

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This paper presents an experimental study on shear strength, stiffness and ductility of demountable shear connectors in metal decking composite slabs through push-off tests.Twelve full-scale push-off tests were carried out using different concrete strength, number of connectors and different connector diameter. The experimental results showed that the demountable shear connectors in metal decking composite slabs have similar shear capacity and behaviour as welded shear studs and fulfilled the minimum ductility requirement of 6mm required by Eurocode 4. The shear capacity was compared against the prediction methods used for the welded shear connections given in Eurocode 4, AISC 360-10, ACI 318-08 and method used for bolted connection in Eurocode 3. It was found that the AISC 360-10 method overestimated the shear capacity while the ACI 318-08 method underestimated the shear capacity of specimens with single shear connector per trough. The Eurocodes method was found to provide a safe prediction for specimens with single and pair demountable connectors per trough. In addition, prediction methods given in both AISC 360-10 and ACI 318-08 for welded shear studs overestimated the shear capacity of specimens with 22 mm diameter demountable connectors that failed in concrete crushing.

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Section: Introductionmentioning

confidence: 99%

Experimental study on demountable shear connectors in composite slabs with profiled decking

Rehman

Lam

Dai

et al. 2016

Journal of Constructional Steel Research

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show abstract

“…[4][5][6][7][8][9][10][11][12][13]. A mi familia, al equipo de trabajo, desde el director, el ingeniero Diego Paez Moreno, hasta la última persona que se me pueda escapar en este breve mensaje.…”

Section: Agradecimientosunclassified

“…El comportamiento a la tracción de anclajes epóxicos posinstalados incrustados en el concreto de baja resistencia también se ha estudiado [6], al igual que el comportamiento de cizallamiento de los anclajes epóxicos embebidos en el concreto de baja resistencia [7]. Kwon et al [8] han estudiado el comportamiento de conectores de corte postinstaladas bajo cargas estáticas y de fatiga. También han sido reportados los modos de falla, con una descripción completa de los efectos de la tasa de carga en función del comportamiento de soporte de los anclajes [9].…”

Section: Introductionunclassified

Anclajes posinstalados en concretos de alta resistencia

Arias

Moreno

2017

Cien.Ing.Neogranadina

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Hoy en día, las grandes construcciones de Colombia y el mundo, y en especial las de infraestructura vial, han fomentado el uso de concretos de alta resistencia; también ha crecido de forma simultánea el uso de los anclajes posinstalados en todas las estructuras de concreto. Por lo anterior, se desarrolló en esta investigación un procedimiento experimental para evaluar sistemas de anclaje posinstalados, basado en ensayos a tracción con probetas de concreto de alta resistencia. La evaluación considera el análisis de los resultados de los ensayos a tracción de probetas con un sistema de anclaje para tres longitudes (6, 9 y 12 veces el diámetro de la varilla) con dos diámetros de varilla (3/8” y 5/8”) en dos calidades de concreto de alta resistencia (5000Psi y 6000Psi), para determinar la longitud y carga efectiva del sistema. El análisis que se realiza al ensayo experimental es correlacionar el resultado de la carga máxima de fluencia del acero de refuerzo utilizado (fy=4200Psi) con las variables del sistema de anclaje posinstalado. Con esto se obtuvo como resultados el porcentaje de resistencia del sistema en función de la longitud de anclaje, la longitud efectiva que garantiza la fluencia del acero y las correlaciones entre el porcentaje de resistencia efectiva alcanzada para cada longitud de anclaje con el uso de concreto de alta resistencia. Con los anteriores parámetros se analizó el aporte de los concretos de alta resistencia a la eficiencia de los sistemas de anclajes posinstalados.

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“…The authors concluded that bolted shear connectors achieved a good shear strength resistance. Post-installed behavior of bolted shear connectors was investigated by Kwon, et al (2010). Their study focused on strengthening non-composite floor systems in existing bridge girders.…”

Section: Mustaphamentioning

confidence: 99%

Bolted Shear Connectors Performance in Self-Compacting Concrete Integrated with Cold-Formed Steel Section

Lawan

Tahir

Mirza

2016

Lat. Am. j. solids struct.

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In conventional composite construction involving hot-rolled steel section, the composite action is usually achieved by using conventional headed shear studs connectors. However, use of headed studs is not practical for cold-formed steel (CFS) section due to its very thin form that is difficult to weld. A suitable bolt and nut type shear connector was proposed; experimental tests were carried out to evaluate its performance. This study also investigated the use of Self-Compacting Concrete (SCC) integrated with CFS by means of bolted shear connectors to develop composite action. Therefore, the objective of this paper was to investigate the performance of bolted shear connectors in SCC integrated with CFS section as composite beam system. Eighteen push-out test specimens comprising of M12, M14 and M16 sized bolted shear connector of grade 8.8 with longitudinal spacings of 150 mm, 250 mm and 300 mm centers were fabricated, cast and tested until failure. The experimental results showed that all bolted shear connectors possessed a good shear resistance capacity. Not much difference in strength capacity of specimens with M14 and M16 bolted shear connectors was found, perhaps due to CFS failure. Varying the size and longitudinal spacing of the bolted shear connectors revealed that the connectors' strength capacity changed slightly between M14 and M16 bolts specimens but, significantly for M12 bolt specimens.

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Behavior of post-installed shear connectors under static and fatigue loading

Cited by 185 publications

References 2 publications

Experimental study on demountable shear connectors in composite slabs with profiled decking

Experimental study on demountable shear connectors in composite slabs with profiled decking

Anclajes posinstalados en concretos de alta resistencia

Bolted Shear Connectors Performance in Self-Compacting Concrete Integrated with Cold-Formed Steel Section

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