Multi-Stage Performance of Seismically Isolated Bridge Using Triple Pendulum Bearings

Masoud Malekzadeh; Touraj Taghikhany

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Multi-Stage Performance of Seismically Isolated Bridge Using Triple Pendulum Bearings

机译：使用三摆轴承的隔震桥梁的多阶段性能

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Triple pendulum isolator (TPI) represent a new generation of adaptive friction isolation system to control super-structure demand in different hazard levels. This isolator incorporates four concave surfaces and three independent pendulum mechanisms. Pendulum stages can be set to address specific response criteria for moderate, severe and very severe events.Herein after mathematical formulation of typical elevated highway bridge using TPI, series of nonlinear dynamic analysis were performed with different friction coefficients, pendulum radius and slider displacement capacities. Effects of variation of these parameters were investigated on key bridge demand parameters under multi hazard level excitations by using probabilistic description.

机译：三重摆式隔离器（TPI）代表了新一代的自适应摩擦隔离系统，可在不同的危险等级下控制对上部结构的需求。该隔离器包含四个凹面和三个独立的摆锤机构。可以设置摆的阶段来解决对中，重和非常严重事件的特定响应标准。在这里，在使用TPI对典型的高架公路桥梁进行数学公式化之后，进行了一系列非线性动力学分析，分析了不同的摩擦系数，摆半径和滑块位移能力。通过概率描述研究了这些参数变化对多危险等级激励下关键桥梁需求参数的影响。

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来源
《Advances in Structural Engineering》 |2012年第7期|p.1181-1196|共16页
作者
Masoud Malekzadeh; Touraj Taghikhany;
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作者单位

M.S. Student, Department of Civil Engineering, Amirkabir University of Technology, Tehran, Iran;

Department of Civil and Environmental, Amirkabir University of Technology, Tehran, Iran;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
triple pendulum bearing; performance based-design; bridge engineering demand parameter; multi; hazard level;

机译：三重摆轴承;基于性能的设计;桥梁工程需求参数多;危害等级;

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Multi-Stage Performance of Seismically Isolated Bridge Using Triple Pendulum Bearings

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