Concrete dielectric properties investigation using microwave nondestructive techniques

Maslina Jamil, M. K. Hassan, H. M A Al-Mattarneh, Muhammad Fauzi Mohd. Zain

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The paper deals with dielectric properties of concrete and the effect of frequency, curing time and water to cement (w/c) ratio, concrete compression strength, steel fibre concrete and moisture content on the dielectric properties. The concrete dielectric properties such as transmission coefficients, reflection coefficients, dielectric constants and loss factors; were investigated using microwave nondestructive testing (MNDT) technique. The MNDT system consists of transmit and receive horn lens antennas, a vector network analyzer, mode transitions, and a printer. The horn lens antennas are used for minimizing diffraction effects due to the edges of the sample. Electromagnetic waves at microwave frequency range 7.0-13.0 GHz using free-space microwave method was used for measuring dielectric properties of concrete. Concrete specimens were prepared using different w/c ratios and different compressive strengths. Concrete dielectric properties were measured and correlated with compressive strength and w/c ratio of concrete, curing time. The experimental results indicate that microwave non-destructive technique has correlated well with to determine the compressive strength and w/c ratios of concrete. The results also show the potential to be used to determine the percentage of fiber. This technique is easy to adapt for in situ measurements.

Original languageEnglish
Pages (from-to)77-87
Number of pages11
JournalMaterials and Structures/Materiaux et Constructions
Volume46
Issue number1-2
DOIs
Publication statusPublished - Jan 2013

Fingerprint

Dielectric properties
Microwaves
Concretes
Cements
Lens antennas
Compressive strength
Horn antennas
Water
Nondestructive examination
Curing
Printers (computer)
Steel fibers
Electric network analyzers
Microwave frequencies
Dielectric losses
Electromagnetic waves
Compaction
Permittivity
Moisture
Diffraction

Keywords

  • Concrete
  • Dielectric properties
  • Microwave and nondestructive technique

ASJC Scopus subject areas

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

Cite this

Concrete dielectric properties investigation using microwave nondestructive techniques. / Jamil, Maslina; Hassan, M. K.; Al-Mattarneh, H. M A; Mohd. Zain, Muhammad Fauzi.

In: Materials and Structures/Materiaux et Constructions, Vol. 46, No. 1-2, 01.2013, p. 77-87.

Research output: Contribution to journalArticle

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