Calculation of the minimum width of pillars during combine mining of potash seams

Pages:

47-49

Download volume:

RUS

Research article

Without section

Authors:

N. M. Proskuryakov

A. K. Chernikov

Date submitted:

1979-08-23

Date accepted:

1979-10-22

Date published:

1980-02-01

Abstract

Let n interpass healds of width a be left in the chamber of width L to support the roof. Let's find the minimum value of a ...

Influence of mining pressure on the gas factor of salt rocks emission hazard in the zones of geological disturbances

1980 A. Yu. Trofimov, A. A. Yaragin

Calculation of uniaxial compression strength of rocks

1980 M. M. Mordukhovich

Peculiarities of calculation of stress-strain state of the roof during mining of deposits with hardening filling.

1980 E. D. Kochetkov

Determination of bearing capacity of fractured direct roof in the bottom-hole space of mine workings

1980 Ya. B. Entus, G. V. Ovcharenko

Influence of unloading of the edge zone of the formation on the condition of the roof in the bottom-hole space of the faces

1980 V. P. Zubov

Calculation of the main parameters of the combined method of unstrengthening of hard-to-collapse rocks

1980 V. G. Bezkaravayny, G. I. Morozov