Limestone Strength Assessment

The development of high-rise construction and the development of underground space in the territory of modern megacities imposes additional requirements on the completeness and quality of engineering surveys, including the methods of engineering geophysics. The increase in the depth of research, the creation of deep foundation ditch for the placement of foundations and the installation of underground floors of buildings leads to the need to determine the strength properties of limestone.

Below is the result of a GPR profiling of limestone with a GPR antenna 50 MHz. The wave pattern of the GPR profile contains the reflections from the limestone roof, but below this boundary the useful signals, which were significantly weakened during propagation in the damp upper layer, are overlapped by more intense noises. Prior to processing in the GEORADAR-EXPERT software we could say that the depth of this GPR survey does not exceed 10 meters: