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Research on the Influence Factors of Static Elastic Plasticity Analysis Method

Author: XingDongLiang
Tutor: LiuJiMing
School: Qingdao Technological University
Course: Structural Engineering
Keywords: Pushover Analysis Lateral loading mode Higher modes Target displacement
CLC: TU313.3
Type: Master's thesis
Year: 2008
Downloads: 27
Quote: 0
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Abstract


In recent years, Pushover analysis method with its simple and practical advantages of being more and more attention by the majority of scholars and engineering staff has become a hot research topic in the field of seismic . This method is able to determine the weak link in the structural design , and the structure of the elastic-plastic behavior to make a reliable assessment , but can not provide accurate seismic demand analysis . Better used to further improve the accuracy of the analysis results , the actual project , static elastoplastic analysis of factors affecting the further study . Pushover analysis method research profile article first systematic exposition Pushover analysis method theoretical basis and the main purpose Pushover analysis method has the advantage , and some problems are also discussed . Affect the accuracy of the results of the Push-over lateral loading mode and high modes based on meticulous research . Lateral loading mode selection and high vibration impact directly related to the Push-over analysis of the results , this paper to adopt ETABS8.4.8 finite element analysis software , two reinforced concrete frame structure model , at different lateral load patterns and different vibration type combinations Push-over analysis , comparing the differences in the results of four different lateral load patterns and different layers under analysis , the proposed building structure under the influence of higher modes Push-over analysis of the new proposal . Finally, on the basis of the calculated equivalent SDOF system target displacement target displacement improved method considering the effects of higher modes . Use of the method and other commonly Push-over analysis method to analyze the frame structure model of the different layers of reinforced concrete rules , and the results compared with static nonlinear time history analysis . The results show that the proposed improved method can be used to consider the impact of structural seismic response of higher modes .

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural elasticity and plasticity > Structural plasticity calculation and limit equilibrium
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