Behaviour of a new type of shear connector for steel-concrete composite construction

Vijayakumar, R.; Pannirselvam, N.

doi:10.1016/j.matpr.2020.05.024

Cited by 8 publications

(2 citation statements)

References 11 publications

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“…The test results of an innovative connector in the form of a steel sheet with an embossed steel plate are presented in [21]. The fasteners are welded to the steel beam.…”

Section: Introductionmentioning

confidence: 99%

Study of Innovative Connector for Steel–Concrete Composite Structures

Derlatka,

Lacki,

Kania

et al. 2024

Applied Sciences

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The paper presents an analysis of the innovative connector for manufacturing a steel–concrete composite beam. The connector consists of a corrugated metal sheet in the shape of a dovetail and shot nails. The nails are shot through the sheet fold into the flange of the steel I-section. Experimental studies of push-out tests were carried out. The conducted tests proved that the proposed solution can be applied as the fastener for steel–concrete composite beams for the construction of ceilings in utility public buildings with small beam’s span. Considering the criteria presented in the Eurocode 4 standard and the results of the experiments, it was proven that all analyzed types of fasteners are ductile. The connector made of sheet with a thickness of 1.00 mm and 2 nails is characterized by a breaking load of 30.83 kN. The load-bearing capacity of the fastener can be adjusted by changing the corrugated sheet thickness and changing the number of nails shot in the single fold of the sheet.

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“…The test results of an innovative connector in the form of a steel sheet with an embossed steel plate are presented in [21]. The fasteners are welded to the steel beam.…”

Section: Introductionmentioning

confidence: 99%

Study of Innovative Connector for Steel–Concrete Composite Structures

Derlatka,

Lacki,

Kania

et al. 2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

“…Each material possesses distinct advantages and disadvantages, and the practice of combining different materials in construction has a long history. The primary objective of blending materials and ensuring their composite action in structures is to enhance the final structure's characteristics [11][12][13]. This typically involves reducing overall weight, increasing stiffness and load-bearing capacity, and improving the aesthetic appeal of buildings.…”

Section: Introductionmentioning

confidence: 99%

Verification of a Simplified Design Method for Timber–Concrete Composite Structures with Metal Web Timber Joists

Rogainis,

Serdjuks,

Buka-Vaivade

et al. 2024

Applied Sciences

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This study presents a comprehensive analysis of a simplified design methodology for timber–concrete composite roof and floor structures employing metal web beams, also known as posi-joisted beams, easi-joist, or open web joists, validated through both laboratory experiments and finite element (FE) method analyses. The proposed method integrates the transformed section method and the γ-method, as outlined in Annex B of EN1995-1-1 for mechanically jointed beams. The investigation focuses on roof and floor structures featuring posi-joisted beams, oriented strand board (OSB) sheets connected by screws, and a layer of concrete bonded to the OSB sheets using epoxy glue and granite chips. Two groups, each consisting of four specimens, were prepared for the laboratory experiments. Each specimen comprised two posi-joisted beams, 1390 mm long, connected by OSB/3 boards measuring 400 mm in width and 18 mm in thickness. The beams had a cross-sectional depth of 253 mm, corresponding to beams of grade PS10, with top and bottom chords made from solid timber (95 mm × 65 mm). Bracing members with cross-sections of 100 mm × 45 mm were used to join the bottom chords of the beams. A layer of self-levelling mass SakretBAM, 50 mm thick, was bonded to the OSB/3 boards using SicaDur 31 epoxy glue and granite chips (16–32 mm). The specimens underwent three-point bending tests under static loads, and FE modelling, conducted using Ansys R2 2022 software, was employed for both experimental groups. A comparative analysis of results obtained from the simplified design method, FE simulations, and experimental data revealed that the simplified method accurately predicted maximum vertical displacements of the roof fragment, including posi-joisted beams, with precision up to 11.6% and 23.10% in the presence and absence of a concrete layer, respectively. The deviation between normal stresses in the chords of the beams obtained through the simplified method and FE modelling was found to be 7.69%. These findings demonstrate the effectiveness and reliability of the proposed design methodology for timber–concrete composite roofs with posi-joisted beams.

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Flexural behavior of cellular composite beams with full shear interaction under sagging moment

Teware,

Khatri

2024

Sādhanā

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Behaviour of a new type of shear connector for steel-concrete composite construction

Cited by 8 publications

References 11 publications

Study of Innovative Connector for Steel–Concrete Composite Structures

Study of Innovative Connector for Steel–Concrete Composite Structures

Verification of a Simplified Design Method for Timber–Concrete Composite Structures with Metal Web Timber Joists

Flexural behavior of cellular composite beams with full shear interaction under sagging moment

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