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在前期试验和理论研究的基础上,将密肋壁板结构中的密肋复合墙板等效为整体斜撑,提出结构的刚架-等效斜撑模型,并结合试验数据确立了该模型的主要参数及塑性铰的设定。采用该模型建模对前期振动台模型试验进行了模拟,结果表明,二者在各层加速度时程反应值、反应波形以及监测点的最大侧向位移方面吻合较好,说明刚架-等效斜撑模型能较好地模拟结构的动力特性及弹塑性变形情况,可用于密肋壁板结构的弹塑性时程反应分析及非线性变形验算。
On the basis of the previous experiments and theoretical studies, the multi-ribbed composite wall panels in the multi-ribbed wall structure are equivalent to the whole diagonal brace, and the rigid frame-equivalent diagonal brace model is proposed. The model is established based on the experimental data The main parameters and plastic hinge settings. The model was used to simulate the model test of the former shaking table. The results show that both of them agree well with the acceleration response values, the reaction waveforms and the maximum lateral displacement of monitoring points at each layer, which shows that the rigid frame equivalent The diagonal brace model can well simulate the dynamic characteristics and elastoplastic deformation of the structure. It can be used to analyze the elastic-plastic time-history response and the nonlinear deformation of the multi-ribbed wall structure.