A Study of the Grouped Arrangements of Stud Connectors on Shear Strength Behavior

Okada, Jun; Yoda, Teruhiko; Lebet, Jean‐Paul

doi:10.2208/jsceseee.23.75s

Cited by 46 publications

(35 citation statements)

References 3 publications

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“…The most important studies on shear connections involving groups of headed studs were presented by: Okada et al [1], Shim C.S. [2], Dongyan et al [3], Guezouli et al [4], Chen Xu et al [5].…”

Section: Previous Researchmentioning

confidence: 99%

“…There are no explicit recommendations for the design of shear connectors with groups of headed studs in current issues of relevant codes. Out of the above mentioned studies, only Okada et al [1] and Shim C.S. et al [2] provide some recommendations for the design of characteristic longitudinal shear resistance of connections, realized by groups of headed studs.…”

Section: Previous Researchmentioning

confidence: 99%

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Shear connection with groups of headed studs

2017

JCE

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Shear connection with groups of headed studsThe behaviour and characteristics of the elements of prefabricated composite steel and concrete structures are determined by behaviour of the longitudinal shear connection. Headed studs in groups are most frequently used for forming longitudinal shear connection of prefabricated composite beams. The results of experimental research and advanced numerical models of shear connections, obtained using groups of headed studs, are presented in the paper. When headed studs are arranged in groups, it is recommended to use the headed studs with the height greater than the 4d height prescribed by the Eurocode. Posmični spoj ostvaren grupama moždanika s glavom Ponašanje i karakteristike predgotovljenih spregnutih elemenata konstrukcija od čelika i betona određeni su ponašanjem uzdužnog posmičnog spoja. Grupe moždanika s glavom najčešće se koriste za formiranje uzdužnog posmičnog spoja predgotovljenih spregnutih nosača. U radu su prikazani rezultati eksperimentalnih istraživanja i naprednih numeričkih modela posmičnih spojeva, koji su ostvareni grupama moždanika s glavom. Kada se moždanici izvode u grupama, preporuka je da se koriste veće visine od 4d koja je propisana europskom normom.Ključne riječi: posmični spoj, grupe moždanika, predgotovljeni spregnuti nosači Übersichtsarbeit

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Section: Previous Researchmentioning

confidence: 99%

Section: Previous Researchmentioning

confidence: 99%

Shear connection with groups of headed studs

2017

JCE

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“…Shim et al [5] performed push-out tests on groups of headed studs arranged with reduced distances between the studs and exposed to cyclic loading. Okada et al [6], [7], Guezouli et al [8], Xu et al [9] and Xue et al [10] conducted push-out tests with the studs arranged so that distances between them were larger, or at least equal to, the minimum prescribed distance of 5d according to EN 1994-1-1 [2]. Okada et al [6] describe the behaviour of headed studs in a group.…”

Section: Previous Researchmentioning

confidence: 99%

Recommendations for the design of grouped headed studs

2017

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Grouped headed studs may be successfully utilized to achieve the longitudinal shear connection between prefabricated slabs and steel beams. The behaviour of the studs and the ultimate resistance of the group were analysed using the results of experimental push tests and by employing advanced FE analyses. Different arrangements of studs in the group were investigated, focusing on minimal distance between the studs. It is demonstrated that the full shear resistance of a group of headed studs is achieved even when the distances between the studs are less than the minimum requirement according to EN 1994‐1‐1. Concrete class C30/37 is the minimum that should be used. Furthermore, the paper presents a new model for calculating the shear resistance of grouped headed studs. The proposed design model is based on an equivalent stud diameter and can be used for various arrangements of headed studs in a group. The shear resistance formula and the requirements for ductility are consistent with the existing Eurocodes. Fatigue loading is not considered in this paper, so the proposed recommendations are valid for buildings including multi‐storey car parks.

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“…Okada et al (2006) used a push-out experiment and finite element analysis to investigate the mechanical characteristics of a group of studs and proposed a bearing capacity reduction factor for considering the effect of the group studs [12]. Shim et al (2004) also performed a push-out experiment on the group studs shear connectors of a composite beam.…”

Section: Introductionmentioning

confidence: 99%

Shear Resistance Capacity of Interface of Plate-Studs Connection between CFST Column and RC Beam

Wang

et al. 2017

Mathematical Problems in Engineering

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The combination of a concrete-filled steel tube (CFST) column and reinforced concrete (RC) beam produces a composite structural system that affords good structural performance, functionality, and workability. The effective transmission of moments and shear forces from the beam to the column is key to the full exploitation of the structural performance. The studs of the composite beam transfer the interfacial shear force between the steel beam and the concrete slab, with the web bearing most of the vertical shear force of the steel beam. In this study, the studs and vertical steel plate were welded to facilitate the transfer of the interfacial shear force between the RC beam and CFST column. Six groups of a total of 18 specimens were used to investigate the shear transfer mechanism and failure mode of the plate-studs connection, which was confirmed to effectively transmit the shear forces between the beam and column. The results of theoretical calculations were also observed to be in good agreement with the experimental measurements.

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A Study of the Grouped Arrangements of Stud Connectors on Shear Strength Behavior

Cited by 46 publications

References 3 publications

Shear connection with groups of headed studs

Shear connection with groups of headed studs

Recommendations for the design of grouped headed studs

Shear Resistance Capacity of Interface of Plate-Studs Connection between CFST Column and RC Beam

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