Pore Characteristics (>0.1mm) Of Non-Air-Entrained Concrete Destroyed by Freeze-Thaw-Cycles Based on CT Scanning and 3D Printing (2018-04)¶
10.1016/j.coldregions.2018.03.027
Tian Wei, Han Nv
Journal Article - Cold Regions Science and Technology, Vol. 151, pp. 314-322
Abstract
In this study, the deterioration mechanism of concrete subjected to freezing-thawing (F-T) actions was analyzed. The evolution and spatial distribution of internal pore structure were key factors in the damage mechanism and mechanical properties of concrete in the F-T environment. X-ray computed tomography (CT) was used to examine the evolution of concrete internal damage under F-T cycles. CT-identified pore structures were reconstructed as digital virtual-models and the porosity and pore distribution of these pore structures were characterized by image analysis. Three-dimensional printing (3DP) specimens containing CT-identified pore structures were prepared and replicated based on these digital virtual-models. Uniaxial compression tests were conducted on both concrete specimens and 3DP specimens, which have a similar loss percentage of uniaxial compressive strength (UCS). These results show that 3DP technology can provide a new strategy for experimental study of concrete material.
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2 References
12 Citations
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BibTeX
@article{tian_han.2018.PC01ONAECDbFTCBoCSa3P,
author = "Wei Tian and Nv Han",
title = "Pore Characteristics (>0.1mm) Of Non-Air-Entrained Concrete Destroyed by Freeze-Thaw-Cycles Based on CT Scanning and 3D Printing",
doi = "10.1016/j.coldregions.2018.03.027",
year = "2018",
journal = "Cold Regions Science and Technology",
volume = "151",
pages = "314--322",
}
Formatted Citation
W. Tian and N. Han, “Pore Characteristics (>0.1mm) Of Non-Air-Entrained Concrete Destroyed by Freeze-Thaw-Cycles Based on CT Scanning and 3D Printing”, Cold Regions Science and Technology, vol. 151, pp. 314–322, 2018, doi: 10.1016/j.coldregions.2018.03.027.
Tian, Wei, and Nv Han. “Pore Characteristics (>0.1mm) Of Non-Air-Entrained Concrete Destroyed by Freeze-Thaw-Cycles Based on CT Scanning and 3D Printing”. Cold Regions Science and Technology 151 (2018): 314–22. https://doi.org/10.1016/j.coldregions.2018.03.027.