| 英文摘要 |
This paper examines the stiffness configuration of strongbacks to effectively mitigate interstory drift concentration in buildings. We first develop a simplified numerical model for simulating buildings with strongbacks. This model is capable of reflecting the various deformation types of the strongbacks and original buildings, where the story stiffness and story mass distribution types are not limited. We used this model to conduct a parametric analysis of the ratio of the strongback stiffness to that of the original buildings with different heights and deformation types. Buildings with uniform story mass and story stiffness distributions over building height were considered in the parametric analysis, rather than other specific distributions. One nine-story steel moment-resisting frame building was investigated to verify the effectiveness of the proposed strongback stiffness configuration. |
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