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Study on Seismic Behavior of Prestressed Concrete Continuous Rigid Frame Bridge with High-Pier and Large-Span

Author: ChenJinTao
Tutor: SongYiFan；NiuHong
School: Chang'an University
Course: Architecture and Civil Engineering
Keywords: prestressed concrete continuous rigid frame bridge with high-pier and large-span seismic response response spectrum time-history analysis nonlinear plastic hinge
CLC: U442.55
Type: Master's thesis
Year: 2011
Downloads: 87
Quote: 3
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Abstract


Along with the continuous development of transport, continuous rigid frame bridge pier of the span and the high-rising China is a multi-frequent occurrence of the earthquake disaster section,so long-span continuous rigid frame bridge seismic response analysis of great significance. This article is in this context of the study.The issue first of all a brief description of thesis continuous rigid frame bridge some of the basic characteristics, both at home and abroad, and damage analysis of bridge damage Research; the bridge and then introduced some of the basic theory of seismic methods are mainly static method, response spectrum and dynamic time-history method. Next to a continuous rigid frame bridge seismic response analysis carried out. Analysis of the process, to some extent, a simplified model, consider a traveling-wave effect and the more incentive structure of the bridge of the implications of a response spectrum analysis of flexible, elastic dynamic time-history analysis and nonlinear dynamic time-history analysis. Through the above analysis, some conclusions have been mainly include:(1) earthquake potential of continuous rigid frame both plastic region at the end of the pier near the pier at the end of checking and cross-section flexural capacity of the cross-section of the internal forces (moment) to do in response to contrast, you can determine whether the cross-section into the plastic state(2) and elastic response spectra calculated by comparing the results of flexible time-history analysis results have increased and some decreased, and therefore should be designed in accordance with the results from the two larger values of control standards. (3) Inspired by one-way seismic force calculated by comparing the results, combined under the direction of incentive to be the result of the calculation increased slightly. I hope the above conclusions on the same bridge seismic analysis and design.

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CLC: > Transportation > Road transport > Bridges and Culverts > Investigation, design and calculation > Bridge Design > Damage Analysis and Seismic Design
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