FIELD: agriculture.
SUBSTANCE: device is a corrugated pipe casing inside which the stem is mounted, connected to the vertical anchor rod by a resilient connection, such as a spring, the displacement sensors are placed on the stem, and the magnetic marks are located on the walls of the pipe casing.
EFFECT: device enables to measure both vertical and horizontal ground distortion during seasonal freezing and thawing, increases the accuracy and reliability of the data obtained.
2 dwg
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