Non-destructive analysis of concrete for corrosion studies using nuclear technique

A. A. Naqvi*, M. M. Nagadi, M. A. Garwan, O. S.B. Al-Amoudi, M. Maslehuddin, Khateeb-ur-Rehman, M. Raashid

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Chloride-induced reinforcement corrosion is the principal cause of deterioration of concrete structures in the Arabian Gulf and the world over. Preventive measures against corrosion require maintaining the chloride and sulphate concentration in concrete below the threshold limits specified by the standards. This requires monitoring the chloride and sulphate concentration in concrete, and a nondestructive technique is preferable for this purpose. The Prompt-Gamma Neutron Activation Analysis (PGNAA) technique can be used to monitor the concentration of corrosive elements in concrete specimens. An accelerator-based PGNAA setup has been developed to measure the chloride and sulphate concentration in concrete. The PGNAA technique has been utilised successfully to measure the elemental composition of concrete.

Original languageEnglish
Pages (from-to)65-83
Number of pages19
JournalAtoms For Peace
Volume3
Issue number2
DOIs
StatePublished - 2010

Keywords

  • Monte Carlo studies
  • PGNAA technique
  • chloride contamination
  • concrete
  • lime/silica ratio
  • sulphate contamination

ASJC Scopus subject areas

  • Pollution
  • General Energy
  • Management, Monitoring, Policy and Law

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