Chapter
Apr 26, 2012
A Miniature Tensiometer for Measurement of High Matric Suction
Authors: Liangcai He [email protected], Eng Choon Leong [email protected], and Ahmed Elgamal [email protected]Author Affiliations
Publication: Unsaturated Soils 2006
Abstract
Theoretical and experimental studies have shown that the tensile strength of water is much greater than 100 kPa, the cavitation pressure of water. On this basis, a miniature tensiometer was developed in this study to measure high matric suctions in the residual soils of the sedimentary Jurong Formation of Singapore. Various factors that may affect the performance of the miniature tensiometer were evaluated. This paper presents the development of this miniature tensiometer and the evaluation results. The effects of pre-pressurization, assembly procedure, pressure reversal, equilibrium time, suction sustaining time, and restoration after suction exceed the air entry value of the ceramic disk were examined.
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Published In
Unsaturated Soils 2006
Pages: 1897 - 1907
Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Cavitation
- Continuum mechanics
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Equipment and machinery
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Geomechanics
- Geotechnical engineering
- Hydrologic engineering
- Material mechanics
- Material properties
- Materials engineering
- Measurement (by type)
- Measuring instruments
- Pressure (type)
- Pressure measurement
- Residual soils
- Soil dynamics
- Soil mechanics
- Soil suction
- Soils (by type)
- Solid mechanics
- Strength of materials
- Suction
- Tensile strength
- Water and water resources
- Water pressure
Authors
Affiliations
Geomatrix Consultants, Inc., 510 Superior Ave., Suite 200, Newport Beach, CA 92663. E-mail: [email protected]
School of Civil and Environmental Engineering, Nanyang Technological University, Block N1, Nanyang Ave., Singapore 639798, Singapore. E-mail: [email protected]
Department of Structural Engineering, University of California, San Diego, CA 92093-0085. E-mail: [email protected]
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