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Earthquakes and Structures
  Volume 7, Number 5, November 2014, pages 753-777

Cyclic loading tests for precast concrete cantilever walls with C-type connections
Woo-Young Lim and Sung-Gul Hong

    This study investigates the behavior of precast concrete cantilever wall systems with new vertical connections under cyclic loading. C-type steel connections for PC wall systems are proposed for the transfer of bending moments between walls in the vertical direction, whereas a shear key in the center of the wall is prepared to transfer shear forces by bearing pressure. The proposed connections are assembled easily because the directions of the slots are different at the edges of the walls. Structural performance characteristics such as the strength, ductility, and failure modes of test specimens were investigated. The longitudinal reinforcing steel bars, which are connected to the C-type connections, yielded first. Ultimate deformation was terminated owing to premature failure of the connections. The strength and deformation obtained from the cross-sectional analysis were generally similar to experimental data.
Key Words
    precast concrete wall; C-type connections; failure mode; strength; deformation
Woo-Young Lim and Sung-Gul Hong: Department of Architecture and Architectural Engineering, Seoul National University,
1 Gwanak-ro, Gwanak-gu, Seoul 151-742, Republic of Korea

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