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

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 at hydraulic development of powerful steeply falling seams by the system of sub-stage hydraulic stripping flexible metal overlaps are used, separating coal from the collapsed rock and, along with the completeness of extraction, allowing to carry out coal excavation in the absence of fasteners in the clearing space.

Область исследования:
Mining
Go to volume 48

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