Piezoelectric active sensing system for crack detection in concrete structure

Chen Zhang, Xun Yu, Lee G Alexander, Ye Zhang, Rajesh Rajamani, Navneet Garg

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This paper presents an active piezoelectric sensing system for concrete crack detection that is based on the energy diffusivity method. The feasibility of using the energy diffusivity of ultrasound to characterize the structural integrity of a pavement is first analyzed. Experiments are then carried out to evaluate the performance of this approach to crack detection. In addition, the detectable range of this system is studied by testing it with cuttings at different angles and different distances between sensor and actuator. Results show that by analyzing the energy diffusivity density of the sensor responses, cracks in the concrete specimen can be detected. This crack detection system can be used in highway and airport pavement slabs for pavement health monitoring applications.

Original languageEnglish (US)
Pages (from-to)129-139
Number of pages11
JournalJournal of Civil Structural Health Monitoring
Volume6
Issue number1
DOIs
StatePublished - Feb 1 2016

Fingerprint

Crack detection
Concrete construction
Pavements
Concretes
Sensors
Structural integrity
Airports
Actuators
Ultrasonics
Health
Cracks
Monitoring
Testing
Experiments

Keywords

  • Active sensing system
  • Detectable range
  • Energy diffusivity
  • Pavement health monitoring
  • Piezoelectric

Cite this

Piezoelectric active sensing system for crack detection in concrete structure. / Zhang, Chen; Yu, Xun; Alexander, Lee G; Zhang, Ye; Rajamani, Rajesh; Garg, Navneet.

In: Journal of Civil Structural Health Monitoring, Vol. 6, No. 1, 01.02.2016, p. 129-139.

Research output: Contribution to journalArticle

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