Soil-Structure Interaction of an Earth Pressure Cell
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 137, Issue 9
Abstract
The output from an earth pressure cell (EPC) is usually related to the normal stress in soil through fluid calibration, where a known pressure is applied to the EPC and the output is recorded. However, distribution of normal stress within a soil is not uniform, and the EPC is not an ideal membrane—bending stiffness affects the response. These factors complicate the performance of the EPC. A calibration procedure for an EPC is reviewed, and it is shown that these controversial sensors can provide an accurate measure of average normal stress if calibrated in soil at a given density. In addition, a soil-structure interaction model is proposed to explain why soil calibration is necessary.
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Acknowledgments
Partial support was provided by the MSES/Miles Kersten Chair and the Minnesota Department of Transportation (MnDOT). This note represents the results of research conducted by the authors and it does not necessarily represent the views of MnDOT.
References
Hadala, P. F. (1967). “The effect of placement method on the response of soil stress gages.” Proc. Int. Symp. on Wave Propagation and Dynamic Properties of Earth Materials, University of New Mexico Press, Albuquerque, NM, 255–263.
Hvorslev, M. J. (1976). “The changeable interaction between soils and pressure cells: Tests and reviews at the Waterways Experiment Station.” Technical Rep. S-76-7, U.S. Army Engineer Waterways Experiment Station, Soils and Pavements Laboratory, Vicksburg, MS.
Labuz, J. F., and Theroux, B. (2005). “Laboratory calibration of earth pressure cells.” ASTM Geotech. Test. J., 28(2), 188–196.
Plantema, G. (1953). “A soil pressure cell and calibration equipment.” Proc. 3rd Int. Conf. on Soil Mechanics and Foundation Engineering, Zurich, 283–288.
Roark, R. J. (1965). Formulas for stress and strain, 4th Ed., McGraw Hill, New York.
Selig, E. T. (1980). “Soil stress gage calibration.” ASTM Geotech. Test. J., 3(4), 153–158.
Taylor, D. W. (1945). “Review of pressure distribution theories, earth pressure cell investigations, and pressure distribution data.” Contract Rep. W22-053 eng-185, U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS.
Terzaghi, K. (1943). Theoretical soil mechanics, Wiley, New York.
Tory, A. C., and Sparrow, J. W. (1967). “The influence of diaphragm flexibility on the performance of an earth pressure cell.” J. Sci. Instrum., 44(9), 781–785.
Weller, W. A. Jr., and Kulhawy, F. H. (1982). “Factors affecting stress cell measurements in soil.” J. Geotech. Eng. Div., 108(GT12), 1529–1548.
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© 2011 American Society of Civil Engineers.
History
Received: Dec 30, 2009
Accepted: Jan 6, 2011
Published online: Jan 8, 2011
Published in print: Sep 1, 2011
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