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Substructure design optimization and nonlinear responses control analysis of the mega-sub controlled structural system (MSCSS) under earthquake action
Earthquake Engineering and Engineering Vibration ( IF 2.6 ) Pub Date : 2021-07-16 , DOI: 10.1007/s11803-021-2047-2
Mustapha Abdulhadi 1 , Zhang Xun’an 1 , Buqiao Fan 1 , Muhammad Moman 1
Affiliation  

The newly proposed mega sub-controlled structure system (MSCSS) and related studies have drawn the attention of civil engineers for practice in improving the performance and enhancing the structural effectiveness of mega frame structures. However, there is still a need for improvement to its basic structural arrangement. In this project, an advanced, reasonable arrangement of mega sub-controlled structure models, composed of three mega stories with different numbers and arrangements of substructures, are designed to investigate the control performance of the models and obtain the optimal model configuration (model with minimum acceleration and displacement responses) under strong earthquake excitation. In addition, the dynamic parameters that affect the performance effectiveness of the optimal model of MSCSS are studied and discussed. The area of the relative stiffness ratio RD, with different mass ratio MR, within which the acceleration and displacement of the optimal model of MSCSS reaches its optimum (minimum) value is considered as an optimum region. It serves as a useful tool in practical engineering design. The study demonstrates that the proposed MSCSS configuration can efficiently control the displacement and acceleration of high rise buildings. In addition, some analytical guidelines are provided for selecting the control parameters of the structure.



中文翻译:

地震作用下巨型子控制结构系统(MSCSS)子结构设计优化及非线性响应控制分析

新提出的巨型分控结构系统(MSCSS)及相关研究引起了土木工程师在提高巨型框架结构性能和增强结构有效性方面的实践关注。然而,其基本结构布置仍有待改进。本项目设计了一种先进、合理的巨型子控制结构模型,由三个不同数量和子结构排列的巨型楼层组成,旨在研究模型的控制性能并获得最佳模型配置(模型最小加速度和位移响应)在强地震激发下。此外,对影响MSCSS优化模型性能有效性的动态参数进行了研究和讨论。MSCSS的最优模型的加速度和位移达到其最优(最小值)值的相对刚度比RD与不同质量比MR的区域被认为是最优区域。它是实际工程设计中的有用工具。研究表明,所提出的 MSCSS 配置可以有效地控制高层建筑的位移和加速度。此外,还提供了一些用于选择结构控制参数的分析指南。研究表明,所提出的 MSCSS 配置可以有效地控制高层建筑的位移和加速度。此外,还提供了一些用于选择结构控制参数的分析指南。研究表明,所提出的 MSCSS 配置可以有效地控制高层建筑的位移和加速度。此外,还提供了一些用于选择结构控制参数的分析指南。

更新日期:2021-07-16
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