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Geomechanics

Designing support unilateral rectangular interfase of horizontal developments

Authors:
Yu. N. Ogorodnikov1
V. I. Ochkurov2
D. N. Petrov3
  • 1 — Saint Petersburg State Mining Institute (Technical University)
  • 2 — Saint Petersburg State Mining Institute (Technical University)
  • 3 — Saint Petersburg State Mining Institute (Technical University)
Date submitted:
2016-12-05
Date published:
2011-02-01

Abstract

The design procedure of loadings on arch support unilateral rectangular interfaces in an ore file of Jakovlevsky deposit КМА is offered. The settlement scheme corresponds rigid and plastic model of deformation of an ore file in a roof of interfaces. A major factor defining size of loading on overlappings of interfaces, emptiness in a roof after filling there are. Low efficiency of flat overlappings of interfaces on chamber frames and advantages of overlappings of interfaces by arches from profile SVP with horizontal couplers from арматурной steels of armature was revealed. Possibility of operative calculation of loadings and a choice of parametres of overlappings on conditions of durability and stability of bearing elements of support in ores of various types is proved.

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