Some fields of applications of automatic image analysis in civil engineering

This paper illustrates the use of automatic image analysis technique to investigate the morphology of cement, concrete and fibre-reinforced concrete. First the methods to be used for powders and secondly for mortar and concrete are introduced. The dispersed phases are characterized by classical morp...

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Veröffentlicht in:Cement & concrete composites 2001-04, Vol.23 (2), p.157-169
Hauptverfasser: Chermant, Jean-Louis, Chermant, Liliane, Coster, Michel, Dequiedt, Anne-Sophie, Redon, Carl
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container_issue 2
container_start_page 157
container_title Cement & concrete composites
container_volume 23
creator Chermant, Jean-Louis
Chermant, Liliane
Coster, Michel
Dequiedt, Anne-Sophie
Redon, Carl
description This paper illustrates the use of automatic image analysis technique to investigate the morphology of cement, concrete and fibre-reinforced concrete. First the methods to be used for powders and secondly for mortar and concrete are introduced. The dispersed phases are characterized by classical morphological parameters: these also enable to accede to the hydration process. The covariances give quantitative information on the homogeneity and dispersion of the different components: gravel, air-voids and cement paste. Air-voids are characterized by granulometric distributions and their mean free paths. Rose of directions gives information on feature orientation: fibres, microcracks for fibre-reinforced concrete, etc. Finally probabilistic models can be used to simulate the microstructure of such materials.
doi_str_mv 10.1016/S0958-9465(00)00059-7
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subjects Air-void distances
Automatic image analysis
Cement
Dispersion
Fibre-reinforced concrete (FRC)
Granulometry
Homogeneity
Mortar
Orientation
Simulation
Stereological parameters
title Some fields of applications of automatic image analysis in civil engineering
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