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| Humidity effects on the stability of a sandpile |
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| Author(s): Fraysse N, Thome H, Petit L |
| Source: EUROPEAN PHYSICAL JOURNAL B Volume: 11 Issue: 4 Pages: 615-619 Published: OCT 1999 |
| Times Cited: 44 References: 17 |
| Abstract: Humidity is well-known to significantly affect the mechanical properties, static as well as dynamic, of granular materials. We present the method of humidification of granular media from an undersaturated vapor that we designed in order to experimentally quantify such moisture-induced effects under accurately-controlled humidity conditions. We report the quantitative measurements of the maximum angle of stability of a pile made of small glass beads, as a function of the relative vapor pressure, up to close to saturation. The results obtained with liquids differing in their wetting properties on glass, namely water and heptane, are presented. It is shown that the wetting properties of the liquid on the grains have a strong influence on the cohesion of the non-saturated granular medium. |
| Document Type: Article |
| Language: English |
| Reprint Address: Fraysse, N (reprint author), Univ Nice, Phys Mat Condensee Lab, Parc Valrose, F-06108 Nice 2, France |
Addresses:
1. Univ Nice, Phys Mat Condensee Lab, F-06108 Nice 2, France |
| Publisher: SPRINGER VERLAG, 175 FIFTH AVE, NEW YORK, NY 10010 USA |
| Subject Category: Physics, Condensed Matter |
| IDS Number: 252EK |
| ISSN: 1434-6028 |
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| | | | | | | | | Record from Web of Science® | | | | | | | | | |