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Development of a flexible capacitive sensor for concrete structure health monitoring
Cheng Y.1; Hanif A.2; Li Z.3
Conference NameSPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring
Source PublicationProceedings of SPIE - The International Society for Optical Engineering
Conference Date2018
Conference PlaceDenver, Colorado, United States

Considering the limitations of the current structure health monitoring techniques, a novel low-cost capacitive transducer (CT) using capacitance signals, which has the potential to provide accurate health assessment and damage prediction for reinforcement concrete structures, is firstly developed. Four major works including the development of the capacitive sensor, the optimization work of CT sensor design, the application of the CT in rebar size/depth/position and rebar corrosion tests using the developed CT are mainly introduced. Results have shown that the developed CT with innovative capacitance measuring method has great accuracy in predicting the rebar size and position inside a large structure, which is the foundation of the reinforcement corrosion detection. It can be concluded that the developed capacitive transducer is applicable in the condition tests of reinforced concrete structures and it paves the way for evaluation of the corrosion degree of the reinforced rebar.

KeywordCapacitive Sensor Corrosion Detection Rebar Size And Position
URLView the original
Indexed ByCPCI-S
WOS Research AreaEngineering ; Remote Sensing ; Optics
WOS SubjectEngineering, Multidisciplinary ; Remote Sensing ; Optics
WOS IDWOS:000454355400016
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Hong Kong Univ. of Science and Technology (Hong Kong, China)
2.Mirpur Univ. of Science and Technology (Pakistan)
3.Univ. of Macau (Macao, China)
Recommended Citation
GB/T 7714
Cheng Y.,Hanif A.,Li Z.. Development of a flexible capacitive sensor for concrete structure health monitoring[C],2018.
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