Roof bolting is hard work where miners often have to lift cumbersome pieces of heavy metal into awkward positions.
How does roof bolting work.
Here is what we found.
Resin and resin bolting information about resin and resin bolting.
Install various types of bolts including truss glue and resin bolts traversing entire ceiling spans.
Explores the installation of roof bolts.
Force bolts into holes using hydraulic mechanisms of self propelled bolting machines.
Fast easy installation of our friction rock bolts reduces bolting costs.
Dust rocks after bolting.
Rotate chucks to turn bolts and open expansion heads against rock formations.
Scaling and bolting or shotcrete ground conditions that create a hazard to persons shall be taken down or supported before other work or travel is permitted in the affected area.
Where the roof is extremely weak.
Force bolts into holes using hydraulic mechanisms of self propelled bolting machines.
High roof conditions can present a problem for people who usually work with low profile machines and vice versa.
Rock bolts can be installed quickly usually in less than a minute using a jack drill a stoper a roof bolting jumbo or any other type of drill.
Replace the drill steel with a driver tool.
When conditions change and the miners are out of their element safety can become a concern.
Perform ventilation tasks such as hanging ventilation curtains and tubes.
However it is these applications and those in the next category that have been most troublesome for design.