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Roof and Rib Control
Рет қаралды 27,052
Күн бұрынMine Safety and Health Administration
Roof and Rib Control
Presents a broad overview of roof/rib hazards in the underground coal mining industry, and illustrates the need for roof and rib control. Topics covered in this video include roof and rib evaluations, the roof control plan, sources of roof/rib hazards, proper installation of roof supports, retreat mining, longwall mining, MRS units, ATRS units, information and technical support.
This is Part 3 of 3 Parts
MSHA DVD 005 - 2004 - Roof Control
@akf6815 2 жыл бұрын
When in doubt,'Take BIG steps'!!
@paulworkman9982 12 жыл бұрын
Better listen to Odell, he gave me my start underground and Bolting top. You the man Odell!
@khalidahmad3035 9 жыл бұрын
a good way to support the ribs is by using corrugated plastic mesh. Unlike steel its easier to identify loose rocks, fire resistant and anti static.
@A7xfan201512 11 жыл бұрын
Up joescreek in Boonecounty
@A7xfan201512 11 жыл бұрын
Is this in wv
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