Abstract
A normal stress cell and a shear stress cell have been designed and tested under very varied conditions including permanent strain. Results pooled from nine different tests with the cells embedded in cohesionless materials (sand and wheat) showed that the coefficient of variation of the normal stress-cell sensitivity was 0.04, while it was 0.10 for the shear cell. The agreement between predicted and measured sensitivity was considered to be good for the normal stress cell and reasonably good for the shear stress cell.
The shear cell showed a systematic dependence, within acceptable limits, of the total stress state in the surrounding material. A qualitative explanation of this phenomenon is given.
Similar content being viewed by others
References
Hvorslev, M.J., “The Changeable Interaction Between Soils and Pressure Cell. Tests and Reviews at the Waterways Experiment Station,”Tech. Rep. S-76-7, U.S. Army Engineering Waterways Experiment Station, Vicksburg, MS (1976).
Askegaard, V., “Measurement of Pressure in Solids by Means of Pressure Cells,”Rep. No. Ci 17, Acta-Polytechnica Scandinavica, Stockholm (1963).
Eshelby, J.D., “The Determination of the Elastic Field of an Ellipsoidal Inclusion and Related Problems,”Proc. Roy. Soc., Series A,241 (1226),376–396 (1957).
Askegaard, V., “Stress and Strain Measurements in Solids,” Proc. 6th Int. Conf. on Exp. Stress Analysis, VDI-Verlag, 259–268 (1978).
Askegaard, V., “Stress and Strain Measurements in Solid Materials,” Rep. No. R 92, Structural Research Laboratory, Tech. Univ. of Denmark (1979).
Askegaard, V., “Design Basis for Cells Measuring Shear Stresses in an Interface,”Geotechnical Testing J., GTJODJ,7 (2),94–98, (June 1984).
Askegaard, V., “Accuracy of Normal- and Shear Stress Measurements in Particulate Media,” Proc. VI Int. Cong. on Exp. Mech., SEM, 480–484 (1988).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Askegaard, V. Applicability of normal and shear stress cells embedded in cohesionless materials. Experimental Mechanics 35, 315–321 (1995). https://doi.org/10.1007/BF02317540
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02317540