Misplaced Pages

Rotary-pressure sounding is a method of testing soil conditions that might be performed as part of a geotechnical investigation. A series of rods, with a specially designed tip, is forced into the ground under downward pressure. The rotation and speed of insertion are maintained at a constant rate, and the amount of force required to maintain that rate is measured. The results can be interpreted to provide information about sediment stratification, and sometimes also the type of soil and the depth to bedrock.

The rotary-pressure sounding method was developed by the Norwegian Geotechnical Institute (NGI) and the Norwegian Public Roads Administration (NPRA) in 1967.

References

1. "Geotechnical Methods | Norges Geologiske Undersøkelse".
2. Rygg, N. O.; Andresen, A. A. (1989). "Rotary-Pressure Sounding: 20 Years of Experience". Norwegian Geotechnical Institute Publication (177).

This article about a civil engineering topic is a stub. You can help Misplaced Pages by expanding it.

• v
• t
• e

• In situ geotechnical investigations
• Civil engineering stubs