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Vol 48 Iss. 1
Pages:
80-86
Download volume:
RUS
Article

On the control of slabs at under-floor hydrodemolition

Authors:
G. I. Shvetsov
Date submitted:
1962-07-14
Date accepted:
1962-09-24
Date published:
1963-09-02

Abstract

To reduce coal losses during hydraulic mining of thick steeply dipping seams by the sublevel hydraulic extraction system, flexible metal floors are used, separating coal from the caved rock and, along with completeness of extraction, allowing coal extraction to be carried out without support in the stope.

Область исследования:
Mining
Funding:

None

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