Research improvement of the strength characteristics of rocks under volumetric compression

The article describes some aspects of the research and applied works, which authors carried out to expand scope application in study rock strength indicators laboratory KuzSTU (Prokopyevsk branch) on a complex equipment. It consists an extreme deformation chamber volumetric compression chamber. disadvantages have been eliminated by using special device for fixing sample when descending into also gives description operation with possibility testing samples breakage under compression. first test results are presented.