Chapter
Apr 26, 2012
A New Method for the Measurement of Air Permeability Coefficient of Unsaturated Soil
Authors: K. Kamiya [email protected], R. Bakrie, and Y. HonjoAuthor Affiliations
Publication: Unsaturated Soils 2006
Abstract
The objective of this research is to evaluate the characteristic of air permeability in order to study the water seepage characteristic of unsaturated soil considering the pore air behavior. In this paper, a new method of air permeability test which able to repetitively control the suction to adjust the degree of saturation of an unsaturated soil sample has been developed. The relationships among air permeability coefficient, degree of saturation and suction have been evaluated. The proposed apparatus is able to measure the air permeability coefficient in the range of 10–2 to 10–6 m/s. The developed apparatus is able to measure the air permeability with respect to the degree of saturation and suction and also able to obtain the moisture characteristic curve simultaneously. The new method resulted in appropriate data by comparing it with past experimental data in other papers.
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Information
Published In
Unsaturated Soils 2006
Pages: 1741 - 1752
Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Engineering fundamentals
- Equipment and machinery
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Geomechanics
- Geotechnical engineering
- Hydrologic engineering
- Permeability (soil)
- Saturated soils
- Soft soils
- Soil dynamics
- Soil mechanics
- Soil properties
- Soil suction
- Soil water
- Soils (by type)
- Suction
- Unsaturated soils
- Water and water resources
Authors
Affiliations
Collaborative Center for Academy/Industry/Government, Gifu University, 1-1 Yanagido, Gifu City, Japan. E-mail: [email protected]
R. Bakrie
Graduate, School of Engineering, Gifu University, 1-1 Yanagido, Gifu City, Japan
Y. Honjo
Department of Civil Engineering, Gifu University, 1-1 Yanagido, Gifu City, Japan
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