Question
Asked 17th Sep, 2023
Measurement of Air Pressure and Volume of Trapped Air in Triaxial Tests for Unsaturated Soils?
For an ongoing research project, I am delving into measuring air pressure and possibly the volume of trapped air within soil specimens during triaxial tests for unsaturated soils. The intent is to gain a more comprehensive understanding of the role and behavior of trapped air in the context of unsaturated soil mechanics.
I would appreciate any references or insights from anyone who knows of past research, published studies, or even ongoing unpublished studies related to this topic. These can provide a foundational understanding and possibly guide the direction of my experiments.
While I am in the preliminary stages of my experiment and have specific methodologies in mind, it would be invaluable to learn from the experiences of those who have traversed this path before or are currently exploring similar avenues.
Thank you in advance for your assistance and expertise!
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Cricital state soil mechanics, which expresses relationships between deformation and effective stresses, has not yet been established for unsaturated soils. Effective stresses in unsaturated soils are not only complicated functions of the applied stress and the pore-water pressure, but are also hysteretic. Furthermore, they cannot yet be determined...
Murray, Edward J., Alessandro Tarrantino, and Katia V. Bicalho. "Evaluation report on Parallel Session 2.2: experimental unsaturated soil mechanics." Unsaturated Soils: Proceedings of the Third International Conference on Unsaturated Soils, UNSAT 2002, 10-13 March 2002, Recife, Brazil. Vol. 3. Taylor & Francis, 2004.