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Steel and Composite Structures
  Volume 31, Number 1, April10 2019 , pages 53-67

Numerical simulation of Y-type perfobond rib shear connectors using finite element analysis
Kun-Soo Kim, Oneil Han, Munkhtulga Gombosuren and Sang-Hyo Kim

    This study presents finite element analysis (FEA) on a Y-type perfobond rib shear connection using Abaqus software. The performance of a shear connection is evaluated by conducting a push-out test. However, in practice, it is inefficient to verify the performance by conducting a push-out test with regard to all design variables pertaining to a shear connector. To overcome this problem, FEA is conducted on various shear connectors to accurately estimate the shear strength of the Y-type perfobond rib shear connection. Previous push-out test results for 14 typical push-out test specimens and those obtained through FEA are compared to analyze the shear behavior including consideration of the design variables. The results show that the developed finite element model successfully reflects the effects of changes in the design variables. In addition, using the developed FEA model, the shear resistance of a stubby Y-type perfobond rib shear connector is evaluated based on the concrete strength and transverse rebar size variables. Then, the existing shear resistance formula is upgraded based on the FEA results.
Key Words
    Y-type perfobond rib shear connection; shear behavior; finite element analysis; numerical simulation
(1) Kun-Soo Kim:
Structural and Seismic Safety Research Team, Korea Atomic Energy Research Institute, Daedeok-daero 989-111, Yuseong-gu, Daejeon 34057, Republic of Korea;
(2) Oneil Han, Munkhtulga Gombosuren, Sang-Hyo Kim:
School of Civil and Environmental Engineering, Yonsei University, Yonsei-Ro 50, Seodaemun-Gu, Seoul 03722, Republic of Korea.

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