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

Pages:

47-49

Download volume:

RUS

Article

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 ...

Область исследования:

(Archived) Without section

Funding:

None

Calculation of inter-chamber pillar cuts using the method of beams-slabs on an elastic base.

1980 S. N. Suglobov

Calculation of the stress-strain state of the systems virgin face - roof - soil by the finite element method

1980 V. P. Skripka

Calculation of bearing pressure during longwall face approach to the panel drift.

1980 A. A. Borisov, N. N. Kaidalov, V. G. Labazin

Remote measurement of mine workings deformations

1980 M. N. Krasilnikov, A. A. Ustavnikov

Connection of rock massif sound conductivity with degrees of its disturbance

1980 A. G. Glikman

Calculation of near-shot pillars

1980 S. A. Tolstunov