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Research about Influence on Whipping Effect of Structure Performance of High Building Bartizan in Seismic

Author: XuYong
Tutor: PengWei
School: Southwest Jiaotong University
Course: Structural Engineering
Keywords: Whiplash effect Vibration mode decomposition response spectrum method Modes Elastoplastic Rare earthquake
CLC: TU311.3
Type: Master's thesis
Year: 2009
Downloads: 32
Quote: 0
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Abstract


In the top of the multi - rise buildings , often due to the use of the functional needs of the construction of the small tower in the earthquake , the largest overall structure of the presence of a small tower will generate internal forces can not be ignored . The multiple damage survey shows that the top does not come with a small tower of the building with a small tower of the building than the much larger earthquake displacement and deformation . This paper first describes the basic theoretical knowledge of the construction of structural dynamics , the mechanical model ( model Ⅰ and model Ⅱ model Ⅲ) and frame structure with a high-level of prominence by computer analysis of building structures in earthquake seismic response , using the method of chart analysis and comparative analysis to explore the structure of the causes and effects of the whiplash effect . The results of a modal analysis of the three models to explore the variation of the structure at the top of the additional small towers of the dynamic characteristics of the structure . Calculated structure earthquake response spectrum method can be used modes calculated seismic effects , the paper also dedicated a chapter using modal superposition response spectrum method comparison analysis of the model under earthquake Nei Lizhi by the data comparing Description whiplash effect . In order to thoroughly investigate the seismic performance of the structure , the paper also large finite element software SAP2000 analysis of the structure under rare earthquake structural dynamic elastoplastic can perform the calculation . The structure of the elastic-plastic state , the structural dynamic response performance of the two models are very different from the papers discussed in detail by comparative analysis of the different response of the two models in rare earthquake .

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural Mechanics > Structural Dynamics
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