The randomicity of the structure parameters should be considered in the reliability analysis; it will lead to the ramdomicity of the restoring-force model.
在结构的时程可靠度分析中通常应该考虑结构参数的随机性，结构参数的随机性必然导致结构层恢复力模型的随机性。
参考来源 - 钢筋混凝土结构考虑负刚度的随机层恢复力模型的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文就消能减震结构设计参数，即消能部件的支撑刚度、层间最大阻尼力与结构层间屈服力比值等恢复力模型参数的选取进行了讨论。
The design curves of equivalent damping ratio to the brace stiffness, and ratio of maximum damping force of the damping device to the inter-story yield shear force of the structure are proposed.
该方法中钢筋混凝土框架整体结构采用层间剪切模型，柱采用四线性恢复力模型。
In this method, an inter floor shear model is adopted for the whole RC structure; and a quadrilinear recovery force model, for the RC inter floor columns.
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