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Steel and Composite Structures
  Volume 35, Number 2, April25 2020 , pages 237-247

Monotonic behavior of C and L shaped angle shear connectors within steel-concrete composite beams: an experimental investigation
Mahdi Shariati, Farzad Tahmasbi, Peyman Mehrabi, Alireza Bahadori and Ali Toghroli

    Shear connectors are essential elements in the design of steel-concrete composite systems. These connectors are utilized to prevent the occurrence of potential slips at the interface of steel and concrete. The two types of shear connectors which have been recently employed in construction projects are C- and L-shaped connectors. In the current study, the behavior of C and L-shaped angle shear connectors is investigated experimentally. For this purpose, eight push-out tests were composed and subjected to monotonic loading. The load-slip curves and failure modes have been determined. Also, the shear strength of the connectors has been compared with previously developed relationships. Two failure modes of shear connectors were observed: 1) concrete crushing–splitting and 2) shear connector fracture. It was found that the L-shaped connectors have less shear strength compared to C-shaped connectors, and decreasing the angle leg size increases the shear strength of the C-shaped connectors, but decreases the relative ductility and strength of L-shaped connectors.
Key Words
    composite beams; shear connector; C-shaped angle; L-shaped angle; push-out test; monotonic loading
Mahdi Shariati: Division of Computational Mathematics and Engineering, Institute for Computational Science,
Ton Duc Thang University, Ho Chi Minh City 758307, Vietnam;
Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City 758307, Vietnam
Farzad Tahmasbi: Department of Civil Engineering, Sharif University of Technology, Tehran, Iran
Peyman Mehrabi: Department of Civil Engineering, K.N. Toosi University of Technology, Tehran, Iran
Alireza Bahadori: School of Civil Engineering, College of Engineering, University of Tehran, Iran
Ali Toghroli: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam

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