Ground penetrating radar wave attenuation models for estimation of moisture and chloride content in concrete slab

S. F. Senin, Roszilah Hamid

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The detection of moisture and chloride ingress through concrete cover is important for estimating the extent of corrosion in reinforced concrete (RC) components. The concentrations of the substances are monitored by observing the ground penetrating radar (GPR) amplitude attenuation in water and chloride saturated concrete slab samples. The amplitude attenuation significantly correlates with the amount of both substances. Two multiple nonlinear regression models were developed. The proposed models demonstrate a strong correlation with the radar amplitude attenuation data as both substances are varied in the concrete cover. The developed models can be employed to estimate the moisture and free chloride content in - concrete cover for improved quantification of corrosion level.

Original languageEnglish
Pages (from-to)659-669
Number of pages11
JournalConstruction and Building Materials
Volume106
DOIs
Publication statusPublished - 1 Mar 2016

Fingerprint

Concrete slabs
Chlorides
Radar
Moisture
Concretes
Corrosion
Reinforced concrete
Water

Keywords

  • Amplitude attenuation
  • Chloride
  • Ground penetrating radar
  • Moisture

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

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