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首页> 外文期刊>Journal of aerospace engineering >Seismic Response Analyses of Transmission Towers under Multidimensional Ground Motions with Rocking and Torsion Components
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Seismic Response Analyses of Transmission Towers under Multidimensional Ground Motions with Rocking and Torsion Components

机译:摇摆与扭转部件的多维地面运动下传动塔的地震反应分析

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摘要

Most current studies on the seismic responses of transmission towers are performed using two or three translational components of ground motion as earthquake inputs. In this study, a novel surface fitting method (SFM) for extracting rotational components from a dense array is presented based on which two sets of rotational components are derived from the translational earthquake recordings on the SMART-1 array. The seismic response of the transmission tower under multidimensional ground motions that included rocking and torsion components are calculated and analyzed. The results show that three rotational components can largely contribute to the seismic responses with respect to the displacements and accelerations at nodes, as well as the element internal force distribution and base reactions. (c) 2020 American Society of Civil Engineers.
机译:关于传动塔的地震反应的大多数研究使用作为地震投入的地面运动的两个或三个平移组件进行。在该研究中,提出了一种用于从密集阵列提取旋转部件的新型表面配合方法(SFM),基于该研究,基于该方法,用于从密集阵列中提取来自智能-1阵列上的转换地震记录的两组旋转分量。计算并分析了包括摇摆和扭转组分的多维研磨部的传输塔的地震反应。结果表明,三个旋转部件可以大大贡献对节点的位移和加速度的地震反应,以及元件内部力分布和基础反应。 (c)2020年美国土木工程师协会。

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