摘要:屈曲约束支撑起源于日本,是一种性能优越的抗震耗能构件,特点如下:1)支撑在受拉和受压两种状态下都能达到屈服,不会发生失稳破坏;2)小震时可起到提高结构刚度和承载力的作用;3)大震下通过支撑的屈服耗能起到阻尼器的作用。
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