The pocket vane tester helps to determine a large number of strength values with different orientation of failure planes. The tester is simple to use and sample trimming is eliminated. All that is required is a reasonably flat surface, 0.98 inch (25 millimeter) in diameter. Thanks to the small, practical format of the instrument it can be used both in the field (profile pits or the soil surface) and in the laboratory (soil samples).
The shear strength or stress of the soil depends on different soil characteristics such as the granular composition, the humus content, the humidity and (in case of vegetation covered areas) the degree of coverage and the density of the roots.
Conditions for correct measurement are a flat surface, careful placing of the vanes in the soil and turning the meter with a constant (relaxed) speed.
| Ausführung | Set |