Measurement of Stresses and Strains in Soils

Eyes in the Soil

Measurement of Soil Stresses at a Structural Boundary

Normal Pressure (Stress)

Read a bit about the difficulties of measuring to normal pressure applied by a soil or any particulate media.

Have a look here to see how the Null Soil Pressure Technique solves these issues.

Active sensing for the measurement of soil normal pressure.
The inside and ouside of a Boundary Null Soil Pressure Sensor.
KONICA MINOLTA DIGITAL CAMERA
Calibtation of dual component Friction-meter
Calibtation of dual component Friction-meter

Shear Stress

A Friction-meter has been developed to allow for the measurement of shear applied by soil to a structural boundary.

Measuring normal pressure and shear stress at a boundary in tandem