Monitoring of concrete’s setting process through wave dispersion

Sokratis Iliopoulos, Lucas De Smet, Dimitrios Angelis

Research output: Chapter in Book/Report/Conference proceedingConference paper

Abstract

The final properties of concrete strongly depend on the fresh state of the material, making therefore, the monitoring of the curing process imperative. Ultrasound has been used for decades showing sensitivity to the development of hydration and stiffness. However, usually researchers focus only on “pulse velocity” measured by the transit time of the first cycle of a wave propagating through the tested sample. In this paper, pulse velocity is replaced by phase velocity expressed as a function of frequency in an attempt to numerically and experimentally estimate setting time and define the degree of heterogeneity responsible for the dispersive trends.
Original languageEnglish
Title of host publication2nd International RILEM/COST Conference
EditorsStéphanie Staquet, Dimitrios Aggelis
Place of PublicationBrussels
PublisherRILEM
Pages405-410
Number of pages6
Volume1
ISBN (Electronic)978-2-35158-198-8
ISBN (Print)978-2-35158-197-1
Publication statusPublished - 12 Sep 2017
Event2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures - Université Libre de Bruxelles - Vrije Universiteit Brussel, Brussels, Belgium
Duration: 12 Sep 201714 Sep 2017

Conference

Conference2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures
Abbreviated titleEAC2
CountryBelgium
CityBrussels
Period12/09/1714/09/17

Keywords

  • concrete
  • ultrasonic monitoring
  • setting
  • wave dispersion
  • heterogeneity

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