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Seismic Performance and Optimization Design of a Post-Installed Elevator Shear Wall Structure
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Seismic Performance and Optimization Design of a Post-Installed Elevator Shear Wall Structure
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Seismic Performance and Optimization Design of a Post-Installed Elevator Shear Wall Structure
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Journal Article
Seismic Performance and Optimization Design of a Post-Installed Elevator Shear Wall Structure
2023
Overview
Post-installed elevator projects have grown significantly in recent years in response to the problem of insufficient vertical traffic capacity in existing buildings, but research on the seismic performance of post-installed elevator structures has been relatively limited. This study takes a 26-story-frame shear wall structure as an example. The seismic response characteristics of this structure before and after the installation of elevators were analyzed. In order to optimize the design scheme of the post-installed elevator structure, this study further analyzed how factors such as the standard height of the elevator shaft frame, the elevator location, and the way the post-installed elevator is connected to the structure affect the seismic response of the elevator structure. The results show that the post-installed elevators have a small impact on the seismic performance of the existing building and can slightly reduce the seismic response of the structure. In addition, the stiffness of the elevator shaft will be reduced, and its seismic response will be slightly increased as the standard shaft height is increased, but the construction cost can be reduced. The installation location has a greater impact on the seismic response of the post-installed elevator. The seismic response of the post-installed elevator is minimal when it is arranged near the elevator shaft of the existing building.
