Determination of parameters of explosion-hydro treatment of hard-to-collapse roof of hollow coal seams

Pages:

33-36

Download volume:

RUS

Research article

Without section

Authors:

V. G. Bezkaravayny

V. I. Timofeev

A. A. Ryskunov

Date submitted:

1989-09-11

Date accepted:

1989-11-26

Date published:

1990-12-30

Abstract

At present, the share of coal seams in the mines of the Soviet Union with hard-to-collapse roofs is quite high.

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