Development and Validation of Drive-by Detection Method for Resonant Bridges

被引：0

作者：

Matsuoka K. ^{[1
]}

Kawasaki K. ^{[2
]}

Tanaka H. ^{[3
]}

Tsunemoto M. ^{[4
]}

机构：

[1] Structural Mechanics Laboratory, Railway Dynamics Division

[2] Track Geometry and Maintenance Laboratory, Track Technology Division

[3] Contact Line Structures Laboratory, Power Supply Technology Division

来源：

Quarterly Report of RTRI (Railway Technical Research Institute) | 2022年 / 63卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

bridge; drive-by inspection; high-speed railway; resonance;

D O I：

10.2219/RTRIQR.63.2_133

中图分类号：

学科分类号：

摘要：

Resonance in high-speed railway bridges is one of the sources of concern for ride comfort and catenary damage. In severe cases, countermeasures are required. However, detecting resonance requires a vast number of on-site measurements. This study develops a drive-by method for detecting resonant bridges as a train is running. The proposed method consists of signal processing for extracting vibration components specific to resonant bridges and a process of identifying differences between the lead and last vehicles. Results from a practical application of this method confirmed that it was possible to extract resonant bridges and the resonant states of the extracted bridges were confirmed by on-site measurement. © 2022 Ken-yusha Inc.. All rights reserved.

引用

页码：133 / 138

页数：5

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