Confined Transport in Multiscale Porous Materials: From the Pore Scale to the Pore Network
Current advances in micro and nano X-ray tomography allow to image multiscale porous materials with spatial resolutions up to about 10 nm. This is particularly the case of natural or industrial geo-materials like sedimentary rocks, shale or cement pastes. These experiments reveal complex multiscale morphologies and raise the question to couple these various length scales with some functional properties such as the transport of gas or liquid in strong confinement. In this conference, the authors focus on the diffusive transport of molecule in porous media where adsorption and geometrical confinement at different time and length scales are observed. The authors propose some possible ways to quantitatively decouple the fluid confinement within “elementary pores”, involving adsorption, intermittent dynamics, and the long distance exploration, sensitive to the porous network connection.
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Availability:
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Supplemental Notes:
- © 2015 American Society of Civil Engineers.
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Corporate Authors:
American Society of Civil Engineers
1801 Alexander Bell Drive
Reston, VA United States 20191-4400 -
Authors:
- Levitz, P
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Conference:
- 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures
- Location: Vienna , Austria
- Date: 2015-9-21 to 2015-9-23
- Publication Date: 2015-9
Language
- English
Media Info
- Media Type: Web
- Features: References;
- Pagination: pp 541-549
- Monograph Title: CONCREEP 10: Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures
Subject/Index Terms
- TRT Terms: Adsorption; Cement paste; Pore pressure; Porous materials; Sedimentary rocks; Shale; Tomography
- Subject Areas: Highways; Materials; I32: Concrete;
Filing Info
- Accession Number: 01576613
- Record Type: Publication
- ISBN: 9780784479346
- Files: TRIS, ASCE
- Created Date: Sep 25 2015 4:20PM