Micro-CT Applications for Concrete Analysis

X-ray computed tomography characterisation of concrete, taken from a video showing the data processing that can be applied to X-ray computed tomography data obtained from concrete specimens. Credit: Henry Moseley X-ray Imaging facility, Manchester, U.K

X-ray computed tomography characterisation of concrete

ABSTRACT

This video and related article demonstrate the effectiveness of the use of micro-CT for the characterization of microstructure and evaluation of concrete specimens, showing the data processing that can be applied to micro-CT data obtained from concrete. “Matrix, pores, and high density inclusions have been separated and analysed. This video presents the analysis performed on the porosity.”

VIEW the video on YouTube.

READ the article on the use of micro-CT for the study of concrete from EDP Sciences.

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A review of X-ray computed tomography of concrete and asphalt construction materials

ABSTRACT

Various destructive and non-destructive test methods are widely used in the field of concrete and other construction materials, but “the use of non-destructive X-ray micro computed tomography is still widely under-estimated and the capabilities not yet fully appreciated. This review summarises the successful applications of this technique to concrete and asphalt materials to date and thereby provides insight into the current capabilities and state of the art.”

READ MORE on using micro-CT for studying concrete micro-structure, from Science Direct.

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The effect of loading duration on damage initiation in high-strength concrete

ABSTRACT

The underlying mechanism(s) that affect the rate sensitivity of the failure strength of concrete and other brittle materials is not fully determined. This study evaluates the experimental results that suggest that “the time-dependent failure process plays a significant role in the observed strength increase.” This analysis of the failure process in high-strength concrete (HSC) specimens demonstrates the evolution of specimen damage morphology as a result of intermittent uniaxial stress loadings.

READ MORE on using micro-CT for studying high-strength concrete, from Science Direct.

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Related Articles: Micro-CT of Paving Materials Using the Bruker SkyScan 1173

Image of the Month: X-ray Microscopic Inspection of Concrete

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