Updated 16 Nov. 2010
The pressuremeter test is an in-situ testing method which is
commonly used to achieve a quick and easy measure of the in-situ
stress-strain relationship of the soil which provides parameters such
as the elastic modulus.
Description and test procedure
The pressuremeter test is an in-situ testing method used to achieve a quick measure of the in-situ
stress-strain relationship of the soil. In principle, the pressuremeter test is
performed by applying pressure to the sidewalls of a borehole and
observing the corresponding deformation.
consists of two parts, the read-out unit which rests on the ground
surface, and the probe that is inserted into the borehole (ground). The
original Ménard-type pressuremeter was designed to be lowered into a
performed hole and to apply uniform pressure to the borehole walls by
means of inflatable flexible membrane. As the pressure increases, the
borehole walls deform. The pressure is held constant for a given period
and the increase in volume required for maintaining the constant
pressure is recorded. A load-deformation diagram and soil
characteristics can be deduced by measurement of the applied pressure
and change in the volume of the expanding membrane.
difference between categories of pressuremeter lies in the method f
installation of the instrument into the ground. Three main types of
- The borehole pressuremeter: The instrument is inserted into a performed hole.
- The self-boring pressuremeter: The instrument is self-bored into the ground with the purpose of minimizing the sol disturbance caused by insertion.
- Displacement pressuremeters: The instrument is pushed into
the ground from base of a borehole. The soil displaced by the probe
during insertion enters the body of instrument, reducing the
disturbance to the surrounding soil (see Cone-pressuremeter).
There are different approaches the interpretation of results and
the determination of material properties from pressuremeter tests. In
general, these approaches rely either on empirical correlations to
allow measured co-ordinates of pressure and displacement to be inserted
directly into design equations, or on solving the boundary problem
posed by the pressuremeter test.
- BSI BS 5930 Code of practice for site investigations
- ASTM D4719 - 07 Standard Test Method for Prebored Pressuremeter Testing in Soils Link
Related experimental results on Database
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- The pressuremeter test principle, Bautechnische Versuchs- und Forschungsanstalt Salzburg
- Detailed description of different types of pressuremeters, Site
Investigation - Chapter 9: In-situ Testing, C.R.I. Clayton, M.C.
Matthews and N.E. Simons, Department of Civil Engineering, University
- General description of the pressuremeter test and interpretation of results,
Bryan M. Waisnor, Angelle Ducote-Price, Ben Jarosz, J. Michael Duncan,
and Charles J. Smith, Geotechnical Engineering within the Piedmont
Physiographic Province, Appendix A, Report of a study performed by the
Virginia Tech Center for Geotechnical Practice and Research, August 2001
- A general description of the soil pressuremeter test with photos, Roger A. Failmezger, In-Situ Soil Testing, L.C.
- An introduction to self-boring pressuremeter, Cambridge-insitu Company, UK
- An overview of the interpretation of pressuremeter tests, Cambridge-insitu Company, UK
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