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The Construction Stages Simulation and Dynamic Characteristics Analysis of Continuous Rigid Frame Bridge

Author: LiangMei
Tutor: XiangZhongFu；ZhouJianBo
School: Chongqing Jiaotong University
Course: Civil Engineering
Keywords: Continuous Rigid Frame Bridge Calculation methods Dynamic characteristics Earthquake response Time history analysis
CLC: U441.3
Type: Master's thesis
Year: 2011
Downloads: 33
Quote: 1
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Abstract


With the improvement of the technical level of the bridge construction , the various effects of continuous rigid frame stress factors in the deepening of research , as well as continuous rigid frame bridge itself , the advantages that have made long-span prestressed concrete continuous rigid frame bridge has become mainly used one of the bridge structure . With more and more widespread application of continuous rigid frame bridge , reasonable construction process simulation put forward higher requirements . At the same time , China is an earthquake -prone country , which also requires that we have a large span continuous rigid frame dynamic characteristics and seismic response of the bridge have a more profound understanding . This article is a study of a bridge in Chongqing , the choice of the a reasonable construction control structure calculation method to this whole process of construction of the bridge finite element calculation , while its dynamic behavior and seismic response analysis and research . The main content of this paper is as follows : 1 based on the theory of finite element calculation and a Bridge design documents and other relevant information , the use of structural analysis software MIDAS CIVIL established a Bridge construction phase analytical model and seismic response analysis model . Use structure analysis software MIDAS CIVIL reasonable simulation analysis of the process of the construction of a bridge , some bridge construction stages of deformation and internal forces . 3 details the basic principles of the bridge structure seismic response analysis method and application , provides a theoretical basis for the choice of following the earthquake response analysis method . 4 introduces the theory of dynamic characteristics . And the natural frequency of a bridge and related modes were calculated in order to understand the dynamic characteristics of the bridge . 5 describes the the bridge structure seismic response calculation theory, selection process analysis of the seismic response of a Bridge in EI-Centro wave , and the results were analyzed . The result has the same type of bridge seismic design reference value.

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CLC: > Transportation > Road transport > Bridges and Culverts > Structural principles, structural mechanics > Bridge vibration and damping device
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