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Performance Analysis On The Seismic Response Of The High-rise Building With Friction Pendulum Base Isolation

Posted on:2015-11-29Degree:MasterType:Thesis
Country:ChinaCandidate:J ChenFull Text:PDF
GTID:2272330467484314Subject:Engineering Mechanics
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The devastating earthquake is an unexpected natural disaster which can destroy a lotof life and property safety. Earthquakes can cause severe horizontal and vertical groundvibration, causing damage and collapse of engineering structures and components. Avery strong earthquake could cause tsunamis, fires, landslides and other secondarynatural and social disasters, all of these will cause huge economic and social losses tohumans too. From the past historical experience, there are some problems anddeficiencies of traditional seismic. To solve these problems, in recent years, passivestructural vibration control technology developed rapidly, mainly divided into isolationtechnology and energy dissipation technology. Among these technologies, an importantway of base isolation technology is FPS technology.This paper intends to use the software to build a finite element model of the thirtythree-story residence which build with shear wall structure, and analysis of the dynamiccharacteristics of the upper eccentric high rise isolated structure, calculated mainlyincluding modal analysis, response spectrum analysis and time history analysis. Theanalysis focuses on the vibration period of the traditional architecture of the earthquakebetween the friction pendulum base isolation structure and Traditional seismic structure,and comparing and analyzing the results of two vibration modes. This paper using themodal response spectrum analysis and research methods to compare the displacement offriction pendulum seismic base isolation structure and the traditional structure, summeddisplacement, inter-story drift, shear and layer changes between floors and analyze itsinternal shear. Meanwhile, under the case of one-way and two-way seismic earthquake,using the method of time history analysis to analyze the maximum displacement,maximum drift, displacement and displacement variation of layers increase of thefriction pendulum base isolation structure, analysis FPS infrastructure at its seat at thebearing displacement investigated whether the normal state, is able to automaticallyrecover to the initial state. This paper analyzes the acceleration process reactions of thetop of the friction pendulum base isolation structure, and studied the case of floor shearamplitude and numerical analysis. Especially, verify the amplification factor bearingbidirectional earthquake displacement.By such study, we can give some useful calculation theory in practice.
Keywords/Search Tags:high-rise building, shear wall structure, friction pendulum base isolation, time history analysis
PDF Full Text Request
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