Using HBM measurement technology in laboratory rock mechanics tests

The assessment of stability and long-term safety and integrity for the underground workings of mining and cavern construction, as well as landfill and ultimate waste disposal site construction in saltrock or travertine is based on comparing existing and calculated stresses with the stresses acceptable for the structural material of “rock”.

The assessment of stability and long-term safety and integrity for the underground workings of mining and cavern construction, as well as landfill and ultimate waste disposal site construction in saltrock or travertine is based on comparing existing and calculated stresses with the stresses acceptable for the structural material of “rock”. Compared to artificial building materials, such as steel or concrete, the “saltrock” building material was produced by the process of geological rock formation.

Depending on the rock formation and within a rock formation from the sampling location, the rock making up the subsoil is therefore characterized by a comparatively great variation in mechanical-hydraulic characteristic values compared to artificial building materials. It is the task of laboratory rock mechanics tests to portray the mechanical-hydraulic material response for the individual uniform areas required for planning the support structure and for the associated stability and integrity rating of hydro-geological protective layers and to derive parameters and criteria with which to rate the bearing capacity of the rock.