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Flexural behavior and modeling of stiffness-controllable column base joints for prefabricated underground frame structures
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DOI：10.1016/j.engstruct.2025.121862.png)
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Abstract
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• A stiffness-controllable column base joint is proposed for underground structures. • Flexural behavior exhibits three distinct stiffness stages. • Predictive formulas are developed for joint stiffness and moment capacity. • An M–θ model quantifies the relationship between configuration and stiffness evolution. • A design method is developed to ensure stiffness controllability.
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6.4
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