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Water Morphologies and Distribution in Wet Soil and Sands

[+] Author Affiliations
Mingzhi Yu

Shandong Jianzhu University, Jinan; Tsinghua University, Beijing, China

Xiaofeng Peng

Tsinghua University, Beijing, China

Zhaohong Fang

Shandong Jianzhu University, Jinan, China

Paper No. MNHT2008-52151, pp. 881-887; 7 pages
doi:10.1115/MNHT2008-52151
From:
  • ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer
  • ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B
  • Tainan, Taiwan, June 6–9, 2008
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4292-4 | eISBN: 0-7918-3813-7
  • Copyright © 2008 by ASME

abstract

Water morphologies and distribution were probed into by a CCD combined with a microscope. Observations and analysis showed that besides bound water, interstitial water, and free water, there is surface capillary water on the relative coarse matrix surfaces in soil and sands. At low moisture content, water morphologies in wet soil and sands are bound water, liquid bridges (or interstitial water), surface capillary water. When moisture content is high, water in soil and sands does not distribute homogeneously, however, some water masses (free water) and gas zones were found. Meanwhile, surface capillary water and bridges were still found on the solid surfaces and among the particles gaps enveloped in the gas zones.

Copyright © 2008 by ASME
Topics: Sands , Soil , Water

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