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Nonlinear earthquake response analysis and energy calculation for seismic slit shear wall structures

机译：地震缝剪力墙结构的非线性地震反应分析与能量计算

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摘要

Based on the concept of structural passive control, a new type of slit shear wall, with improved seismic performance when compared to an ordinary solid shear wall, was proposed by the authors in 1996. The idea has been verified by a series of pseudo-static and dynamic tests. In this paper a macro numerical model is developed for the wall element and the energy dissipation device. Then, nonlinear time history analysis is carried out for a 10-story slit shear wall model tested on a shaking table. Furthermore, the seismic input energy and the individual energy dissipated by the components are calculated by a method based on Newmark-β assumptions for this shear wall model, and the advantages of this shear wall are further demonstrated by the calculation results from the viewpoint of energy. Finally, according to the seismic damage criterion on the basis of plastic accumulative energy and maximum response, the optimal analysis is carried out to select design parameters for the energy dissipation device.
机译：基于结构被动控制的概念，作者于1996年提出了一种新型的切缝剪力墙，与普通的固体剪力墙相比，其抗震性能得到了改善。该思想已通过一系列拟静力验证。和动态测试。在本文中，开发了壁单元和能量消散装置的宏观数值模型。然后，针对在振动台上测试的10层狭缝剪力墙模型进行了非线性时程分析。此外，针对该剪力墙模型，采用基于Newmark-β假设的方法，计算了地震输入能量和各成分所耗散的单个能量，并从能量的角度通过计算结果进一步证明了该剪力墙的优势。 。最后，根据塑性累积能量和最大响应的地震破坏准则，进行了优化分析，选择了耗能装置的设计参数。

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