DRIVING FORCE FOR WATER MIGRATION IN FROZEN CLAYEY SOIL

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概要

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• A theory relating to the driving force for water migration is proposed.The following conclusions are derived from the theory.i) The driving force, which is calculated by the Clapeyron equation, for water migration in the frozen part consists of three components-gradients of concentration, pressure, and electric displacement.ii) The driving force for water flow from the unfrozen part to the freezing front is largely dependent on not only the supercooling temperature of the water in the unfrozen part in contact with ice at the freezing front but also the thickness of the transition layer between the supercooled water in the unfrozen part and the unfrozen water in the frozen part.iii) The maximum potential heaving pressure does not depend on the texture of the soil but depends on the temperature gradient in the frozen part.

• 社団法人日本土壌肥料学会の論文

著者

• Iwata Shingo

  National Institute Of Agricultural Sciences

関連論文

• DRIVING FORCE FOR WATER MIGRATION IN FROZEN CLAYEY SOIL

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