Punching Shear Stress in Post-Tensioned Transfer Plate of Multi-Story Buildings
Source abstract
Abstract
The design of a post-tensioned transfer plate is typically controlled by shear force—in particular, punching shear at the slab-column connection. To verify the accuracy of the separated model only for one floor currently used in the design of a post-tensioned transfer plate, results were compared to a complete model with multi-story building system for which two representative residential building plans were used to emulate physical structural systems. Punching shear stress for the separated model was calculated using the eccentric shear stress model presented in ACI 318. Punching shear stress was found to be overestimated in the separated model, given that interaction between transfer plates and upper shear walls cannot be reflected therein. Differences at column locations were also noted as the number of stories below the transfer floor increased. Consequently, the separated model is not recommended for design of post-tensioned transfer plates. A complete model is more suitable for more realistic and potential cost-effective design, through the inclusion of the interaction between transfer plates and upper shear walls.
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Research context
OpenAlex topics: Structural Behavior of Reinforced Concrete · Structural Engineering and Vibration Analysis · Structural Load-Bearing Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Architecture and Architectural Engineering and Engineering Research Institute, Seoul National University, Seoul 08826, Korea
School of Architecture, Soongsil University, Seoul 06978, Korea
Structural Engineer, DAELIM, Seoul 03152, Korea
Funding
National Research Foundation of Korea
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