Ultrasonic Surface Wave Monitoring for Steel Fibre-Reinforced Concrete Using Gel-Coupled Piezoceramic Sensors: A Case Study

Nadom Khalifa Mutlib, Shahrizan Baharom, Mohd. Zaki Nuawi, Ahmed El-Shafie

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This paper reports on the result of a case study that used gel-coupled piezoceramic (GCP) sensors to identify cracks in steel fibre-reinforced concrete (SFRC) beams. Surface waves were used in a pitch–catch method to conduct the monitoring process. Experiments were conducted to monitor cracks in SFRC beams and evaluate the performance of the GCP sensors throughout the loading period. The raw data were analysed according to the relative energy of the wave, damage index (DI), and discrete wavelet transform (DWT) decomposition. The relative energy results were sensitive to the material type. Results revealed that the DI and DWT decomposition approach successfully identified and located the first visible cracks that occurred in the SFRC beams. The validity of the adopted GCP sensor was successfully demonstrated.

Original languageEnglish
Pages (from-to)1273-1281
Number of pages9
JournalArabian Journal for Science and Engineering
Volume41
Issue number4
DOIs
Publication statusPublished - 1 Apr 2016

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Steel fibers
Ultrasonic waves
Surface waves
Reinforced concrete
Gels
Discrete wavelet transforms
Cracks
Monitoring
Sensors
Decomposition
Process monitoring
Experiments

Keywords

  • Damage index
  • Discrete wavelet transform
  • Gel-coupled sensor
  • Steel fibre-reinforced concrete
  • Surface wave

ASJC Scopus subject areas

  • General

Cite this

Ultrasonic Surface Wave Monitoring for Steel Fibre-Reinforced Concrete Using Gel-Coupled Piezoceramic Sensors : A Case Study. / Mutlib, Nadom Khalifa; Baharom, Shahrizan; Nuawi, Mohd. Zaki; El-Shafie, Ahmed.

In: Arabian Journal for Science and Engineering, Vol. 41, No. 4, 01.04.2016, p. 1273-1281.

Research output: Contribution to journalArticle

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