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Elasto-Plastic Earthquake Response Analysis of High-Speed Railway Bridge Fabricated Isolation Bearings

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Abstract:

Basin rubber bearings are frequently used in high-speed railway bridge or passenger special line railway bridge, lead rubber bearings (LRB) are infrequently used in those railway bridges nowdays, the study on earthquake-resistant capability of railway bridge fabricated isolation bearing - the intelligent and functional structure - would be beneficial in engineering practices. Elasto-plastic earthquake responses of high-speed railway bridges fabricated LRB are studied by means of the finite element program, earthquake responses of railway bridges under high-speed vehicles and different earthquake action fabricated and unfabricated isolation bearing are calculated respectively. The results show that: plastic hinge will develop at the bottom of piers in regard to railway bridges with mid-high and low pier; LRB can reduce displacement and inner forces of structures and improve earthquake-resistant capability of structures effectively.

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Periodical:

Materials Science Forum (Volumes 675-677)

Pages:

1175-1178

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.675-677.1175

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Online since:

February 2011

Authors:

Ling Kun Chen, Li Zhong Jiang, Peng Liu

Keywords:

Earthquake Response, Elasto-Plastic Analysis, High-Speed Railway Bridge, Isolation Bearing

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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