Abstract
SummaryThe two‐way hollow core precast panel (TWHCPP) exhibits good seismic performance. In this study, the shear behavior of the TWHCPP shear wall with vertical connections was investigated. Specifically, five shear wall specimens, which comprised one cast‐in‐place shear wall, one TWHCPP shear wall without vertical connections, and three TWHCPP shear walls with vertical connections, were investigated experimentally. The TWHCPP shear walls were also modeled through numerical simulation. The experimental and numerical results indicate that the TWHCPP shear wall specimens with vertical connections exhibit monolithic load‐bearing mechanisms before the peak point, which is similar to the cast‐in‐place shear wall specimen. When the peak point of the TWHCPP shear wall specimen was attained, vertical slits were formed in the vertical connection and major vertical crack regions, which divided the shear wall panel into multiple vertical concrete straps. Subsequently, the load‐bearing mechanism of the TWHCPP shear wall transformed to multiple vertical concrete straps working cooperatively with transverse reinforcements. Therefore, the brittle diagonal tension failure mode could be avoided, and a good hysteretic performance could be achieved. The outcomes of this study are expected to provide a useful reference for the application of the TWHCPP shear wall.
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