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Study on the Seismic Vulnerability Analysis of Frame Structure

Author: YangRenMeng
Tutor: WangZiFa
School: China Seismological Bureau, Institute of Engineering Mechanics
Course: Disaster Prevention and Reduction Engineering and Protective Engineering
Keywords: Frame structure Seismic vulnerability Damage index Statistical regression
CLC: TU375.4
Type: Master's thesis
Year: 2006
Downloads: 336
Quote: 4
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Abstract


The earthquake disaster is prevalent in the world and severely damaged one of the natural disasters . With the improvement in the level of urbanization , population density increases , becoming more and more large earthquakes on human hazards . Previous earthquake earthquake damage , economic losses and casualties caused by the earthquake depends largely on the extent of the damage of the building . Reinforced concrete frame structure and the widespread adoption of a structural system of urban multi-story building , therefore , study the seismic vulnerability of the frame structure has a very important practical significance . On the basis of the analysis of existing earthquake damage model , based on residual deformation and energy consumption of the earthquake damage of the two-parameter model . The main content of this article made ??as follows: First , the calculation model used damage index , a brief introduction and commentary , and analysis of the advantages and disadvantages of these models ; Second , the analysis of the force-deformation characteristics of reinforced concrete frame structure , research that layer between the residual deformation and energy dissipation are two important parameters affect the degree of structural damage , thereby establishing a seismic damage model based on the residual deformation and energy parameters . In this paper, a form of two failure index , deformation and energy consumption of the linear and nonlinear combination ; Third, the Tangshan earthquake in Haicheng earthquake , Ninghe earthquake seven reinforced concrete frame structure seismic damage IDARC 2 D elastoplastic seismic response analysis ; fourth , according to the criteria for the classification of earthquake damage level to determine the actual structure of each of the damaged degrees ; fifth damaged degrees by model calculations and damage survey equal to the degree of breakage of the actual structure of the analysis using a statistical regression method to determine the model parameters ; Finally , comparison of the two forms of damage index as defined herein , and ultimately determine the better results of the non - linear regression obtained . This study may provide some reference for seismic evaluation and seismic design of the actual building structure .

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CLC: > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures > Frame
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