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Application of transmissibility measurements to operational modal analysis of railway, highway, and pedestrian cable-stayed bridges
Qian Sun1; Wang-Ji Yan2; Wei-Xin Ren1; Ling-Ling Liu1
2019-12
Source PublicationMeasurement
ISSN0263-2241
Volume148Pages:106880
Abstract

Two transmissibility-based operational modal analysis (TOMA) schemes, i.e., the classic TOMA method utilizing measurements under multiple loading conditions, and the power spectral density transmissibility (PSDT) method resorting to multiple reference outputs under one loading condition, are further investigated in this study. For the classic TOMA approach, the issue of requiring multiple loading conditions is properly addressed in ambient vibration testing. Based on the unique properties of transmissibility, the frequencies can be extracted by varying either loading conditions or reference outputs, while the mode shapes can be estimated by a singular value decomposition of the transmissibility matrix. The applicability of TOMA approaches is evaluated through three typical large-scale cable-stayed bridges, including a railway bridge, a highway bridge, and a pedestrian bridge. A comparative study of these large cable-stayed bridges is carried out to gain more insights into the dynamic properties of large-scale cable-stayed bridges.

KeywordStructural Health Monitoring Transmissibility Measurement Operational Modal Analysis Cable-stayed Bridge High-speed Railway Bridge Highway Bridge
DOI10.1016/j.measurement.2019.106880
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Instruments & Instrumentation
WOS SubjectEngineering, Multidisciplinary ; Instruments & Instrumentation
WOS IDWOS:000487930000020
PublisherELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Scopus ID2-s2.0-85070723911
Fulltext Access
FWCI1.5357577
Citation statistics
Document TypeJournal article
CollectionTHE STATE KEY LABORATORY OF INTERNET OF THINGS FOR SMART CITY (UNIVERSITY OF MACAU)
Corresponding AuthorWei-Xin Ren
Affiliation1.Department of Civil Engineering,Hefei University of Technology,Hefei,230009,China
2.State Key Laboratory of Internet of Things for Smart City and Department of Civil and Environmental Engineering,University of Macau,China
Recommended Citation
GB/T 7714
Qian Sun,Wang-Ji Yan,Wei-Xin Ren,et al. Application of transmissibility measurements to operational modal analysis of railway, highway, and pedestrian cable-stayed bridges[J]. Measurement,2019,148:106880.
APA Qian Sun,Wang-Ji Yan,Wei-Xin Ren,&Ling-Ling Liu.(2019).Application of transmissibility measurements to operational modal analysis of railway, highway, and pedestrian cable-stayed bridges.Measurement,148,106880.
MLA Qian Sun,et al."Application of transmissibility measurements to operational modal analysis of railway, highway, and pedestrian cable-stayed bridges".Measurement 148(2019):106880.
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