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The high-speed railway bridge performance - based seismic design method

Author: HuangShang
Tutor: JiangLiZhong
School: Central South University
Course: Civil Engineering
Keywords: High - speed railway bridges Inelastic displacement spectra Displacement Damage Seismic Design
CLC: U442.55
Type: Master's thesis
Year: 2011
Downloads: 94
Quote: 0
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Abstract


Performance - based seismic design is one of the most popular areas of earthquake engineering research , the idea is to ensure that the structure of the expected effect of the earthquake , predictable seismic performance , and performance goals demand options . Seismic design method based on the displacement and damage the high-speed railway simply supported beam bridge is the object of study , research on the basis of the theory at home and abroad have a high - speed railway bridges . The main work is as follows : shaped pier -section of high-speed rail round end , in a different section size, reinforcement ratio , axial compression ratio , the moment curvature analysis , analysis and processing of the calculation results , Round End section yield curvature and ultimate curvature simplified material strain formula . 2, the derivation of the High-Speed ??Railway Pier bottom plastic angular distribution of the length of the sectional curvature formula , and the top of the derivation of the target displacement Bridge Pier , the material strain and the pier top target displacement linked to the establishment of a high-speed the railway pier target displacement determine . 3 , based on China 's Railway Engineering Seismic Design Code \4, using nonlinear time history analysis method analysis of high-speed railway pier damage , damage - based seismic design method proposed high-speed railway bridge , by an example , compare the displacement and damage - based seismic design method for high-speed railway bridges , and verify them is reasonable. 5 , our existing high-speed rail 24m, 32m Charpy bridge seismic assessment , to verify the reasonableness of China 's high-speed railway bridge seismic 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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