Considerations Regarding the Stability of Landmarks and Topographic Marks Placed in a Field of Salt Probes

The purpose of tracking in time the buildings in a field of salt probes is to obtain information in order to ensure the stability of the buildings, an assessment of environmental conditions to prevent various natural accidents, prevention by reducing the damage or to prevent the loss of lives and environmental degradation. Based on topographic measurements made on the topographic marks placed on land or on the topographic marks placed in the foundations of buildings, are determined the deformations and displacements that occur in the area of influence of salt extraction and the displacement directions of the marks (vertical displacements).