- Particle size distribution
- Parameters of blasted rock mass disintegration
- Seismic action of a massive blast (ground displacement speed at the base of protected facilities)
- Action of the air blast, etc.


The advanced technological solutions of AV Group in coal fields guarantee the necessary quality of rock mass crushing, which is optimal for the excavating and transport equipment used by the Customer.
The parameters of separating and crushing of the obtained rock mass make it possible to substantially increase the productivity of the equipment used at each stage of the production process.

When conducting open pit mining at ore deposits, AV Group applies integrated solutions that reduce the loss of minerals and minimize their dilution.
The quality of crushing ore and overburden as well as the parameters of rock mass disintegration when using AV Group Group technologies allow increasing the productivity of the mining equipment, extending its service life, and increasing the efficiency of all technological processes.

AV Group provides a comprehensive service of underground mining operations by carrying out main development works, performing blast hole drilling during drilling, and blast hole drilling in the production process. AV Group's technological solutions are based on comprehensive analysis of the mining, geological, and physical & mechanical properties of the rocks composing the rock ore.
The optimally adequate characteristics of the explosives, the design of the borehole charge, and the special means for its formation and charge are selected in accordance with the specific features of the object. The integrated solutions of AV Group guarantee the safety of the blasting operations, thus increasing the efficiency of the technological processes and сreducing the overall OPEX of the Customer.