Free vibration analysis of multi-span orthotropic bridge deck with rubber bearings

被引：0
|
作者：
Farah I. [1 ]
Rezaiguia A. [1 ]
Mouassa A. [2 ]
Debra L. [3 ]
Guenfoud S. [1 ]
机构：
[1] Applied Mechanics of New Materials Laboratory, University of 8 May, Guelma
[2] Mechanic and Structures Laboratory, University of 8 May, Guelma
[3] Center for Urban Science and Progress, Department of Civil Engineering, Tandon School of Engineering Center for Urban Science and Progress, New York University
来源：
| 1600年 / Polish Society of Technical Diagnostics卷 / 22期
关键词：
Elastic support; Free vibration; Intermodal coupling; Multi-span orthotropic bridge deck; Rubber bearing;
D O I：
10.29354/DIAG/132209
中图分类号：
学科分类号：
摘要：
In this paper, a semi-analytical approach is proposed for free vibration analysis of a multi-span, orthotropic bridge deck with rubber bearings. This allows more realistic modeling of vibration transmission from a bridge's deck to its supports. The approach is based on modal superposition incorporating intermodal coupling. The bridge deck was modeled as a continuous, multi-span, orthotropic rectangular plate with equivalent rigidities. The rubber bearings were inserted between the girders and rigid supports to absorb traffic induced vibrations. The rubber bearing was modeled by linear elastic, vertical supports as very flexible in rotation and highly rigid in the vertical direction. The method's efficacy was validated against two numerical examples. The absolute error was less than 10%. © 2021 Polish Society of Technical Diagnostics. All rights reserved.
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页码：11 / 21
页数：10
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