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Strength Evaluation of Angle Type Shear Connectors in Composite Beams

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Abstract

Composite structures are used in structural systems to take advantage of concrete and steel, and the role of shear connectors between the two is extremely important. Currently, anchor- and angle-type connectors are mainly used as shear connectors, and the angle type offers several advantages over the anchor type. The angle type can be manufactured as a shape that fits the composite structure with a greater basic strength than that of the anchor type, so it can be installed in wider spaces. Much research has been conducted on the anchor type, but that on the angle type has been insufficient so far. In this study, push-out and yield-strength tests were conducted on various angle-type shear connectors used for filling-type composite beams. The variables included the height, width, and thickness of the angle-type shear connector. The tests were terminated when a strength reduction of 80% of the maximum strength occurred. The slip capacity of the specimen was evaluated by referring to Eurocode. Based on the experimental results, the design equations have been reviewed to determine whether or not they can be used for the shear connection of concrete-filled composite beams. In addition, the strength was assessed by existing design equations. Meanwhile, a new design equation was proposed, including the height of the shear connector, which is not considered in the current design equations. The other strength was calculated by the new design equation.

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Authors and Affiliations

  1. Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Korea

    Jun-Seop Lee, Kyung-Jae Shin, Hee-Du Lee & Jong-Hun Woo

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  1. Jun-Seop Lee
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  2. Kyung-Jae Shin
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  3. Hee-Du Lee
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  4. Jong-Hun Woo
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Correspondence to Kyung-Jae Shin.

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Lee, JS., Shin, KJ., Lee, HD. et al. Strength Evaluation of Angle Type Shear Connectors in Composite Beams. Int J Steel Struct 20, 2068–2075 (2020). https://doi.org/10.1007/s13296-020-00433-2

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  • DOI: https://doi.org/10.1007/s13296-020-00433-2

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