型钢混凝土(steel reinforced concrete,SRC)柱因承载力高、刚度大和耐久性能好等优点而被广泛应用于高层结构中。然而,现阶段SRC结构设计普遍基于承载力设计法,基于性能的抗震设计法在SRC结构方面的应用仍待完善。作为基于性能(位移)的抗震设计方法中最重要的一环,现阶段SRC构件的侧力-位移关系评估缺乏规范指导。基于美国现行规范ASCE/SEI 41-17中针对钢筋混凝土构件的相关规定,结合SRC构件的受力与变形特征,提出了发生弯曲破坏的SRC柱在地震作用下的侧力-位移曲线建模方法。
尚崇新, 薛亦聪, 杨勇, 于云龙
doaj
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