Image processing of cement-based materials in conditions of current flow for microstructural analysis

Jiangping Hu, A. Susanto, D. A. Koleva

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

1 Citation (Scopus)

Abstract

This paper reports the results of microstructural analysis based on image analysis subjected to electrical current as a simulation of stray current effect. The purpose is to investigate the influence of electrical current flow on the development of microstructural properties in reinforced cement-based materials. In view of the significant contribution to material performance, the characterization of cement-based microstructure in an economical and reliable way is of high relevance to permeability prediction and durability studies of cement-based materials. In this study, taking the cement paste submerged in Ca(OH)2 conditions as specimens, the pore size distribution and percolation was derived from image analysis of ESEM micrographs. The electrical properties of mortars were measured and their microstructural characteristics were investigated using quantitative image analysis techniques. Moreover this approach is compared with other general methods such as mercury intrusion porosimetry (MIP) and the comparison shows good consistency in development of parameters characterizing the materials' microstructure.

Original languageEnglish
Title of host publicationICALIP 2016 - 2016 International Conference on Audio, Language and Image Processing - Proceedings
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages246-250
Number of pages5
ISBN (Electronic)9781509006533
DOIs
Publication statusPublished - 7 Feb 2017
Event5th International Conference on Audio, Language and Image Processing, ICALIP 2016 - Shanghai, China
Duration: 11 Jul 201612 Jul 2016

Conference

Conference5th International Conference on Audio, Language and Image Processing, ICALIP 2016
CountryChina
CityShanghai
Period11/07/1612/07/16

Keywords

  • Image analysis
  • Mercury porosimetry
  • Microstructure
  • Mortar specimens

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