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Application of cement-based Piezoelectric sensors for monitoring traffic flows
Li Z.-X.1; Yang X.-M.1; Li Z.2
2006-07-01
Source PublicationJournal of Transportation Engineering
ISSN0733947X
Volume132Issue:7Pages:565-573
AbstractIn this paper, the preliminary application of a new type of cement-based piezoelectric sensor developed recently for monitoring the traffic flows is proposed and investigated. The sensor was made by bonding between two cubes of hardened cement sand paste with a commercially available piezoelectric ceramic plate encapsulated by a new sealant developed especially for the sensor's fabrication, and its property was tested by dynamic loadings including harmonic loading, random loading, and pulse loading. Two experiments were carried out to prove the feasibility and reliability of the sensor for monitoring the traffic flows including the person flow and the vehicle flow in the field of transportation. The tested results show that the sensors can correctly respond to the pulse loadings induced by walking person or passing vehicle and the responses of sensors were approximately direct proportional to the peak values of pulse loadings. A conclusion is given that there is a good potential for the cement-based piezoelectric sensor in the engineering application for monitoring traffic flows in the field of transportation. © 2006 ASCE.
KeywordCements Data collection Monitoring Piezoelectricity Sensors Traffic flow
DOI10.1061/(ASCE)0733-947X(2006)132:7(565)
URLView the original
Language英語
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Cited Times [WOS]:53   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Tianjin University
2.Hong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Li Z.-X.,Yang X.-M.,Li Z.. Application of cement-based Piezoelectric sensors for monitoring traffic flows[J]. Journal of Transportation Engineering,2006,132(7):565-573.
APA Li Z.-X.,Yang X.-M.,&Li Z..(2006).Application of cement-based Piezoelectric sensors for monitoring traffic flows.Journal of Transportation Engineering,132(7),565-573.
MLA Li Z.-X.,et al."Application of cement-based Piezoelectric sensors for monitoring traffic flows".Journal of Transportation Engineering 132.7(2006):565-573.
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