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Vol 190
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Metal pliable support developmentsin an ore file Yakovlevsky mine

V. I. Ochkurov1
Yu. N. Ogorodnikov2
Yu. N. Antonov3
About authors
  • 1 — Saint Petersburg State Mining Institute (Technical University)
  • 2 — Saint Petersburg State Mining Institute (Technical University)
  • 3 — Saint Petersburg State Mining Institute (Technical University)
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Loading on support is defined by geomechanical, technological and geometrical parametres. At комбайновой technologies of carrying out of developments loading decreases in 1,5-1,6 times. Rigid dependence of size of loading on quality of filling закрепного spaces remains. Bearing ability of arches from СВП-27 and СВП-33 exceeds bearing ability of arches from СВП-22 accordingly on 33 and 76 %. Bearing ability of an arch with the account of plastic deformations of a steel increases on 32-42 % in comparison with elastic calculation.

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