Three underground excavations are designed including footwall decline hanging wall decline and stope excavation.
Foot and hanging wall stope.
As stated drywall comes in 4 foot widths often in 8 foot lengths but it comes in 12 foot lengths as well.
When working a tabular ore body the miner stood with the footwall under his feet and with the hanging wall above him.
The two sides of a non vertical fault are known as the hanging wall and footwall.
The declines geometry both on foot wall and hanging wall are 4 2 m width and 4 8 m height.
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But that is when the foot wall moves down the hanging wall moves up.
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Stull stoping is a form of stoping used in hardrock mining that uses systematic or random timbering stulls placed between the foot and hanging wall of the vein.
Timbered stope systems stull stoping.
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Hanging wall and footwall.
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This terminology comes from mining.
The distance from floor to ceiling in the average residential home is 8 feet.
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Place your right arm on the wall to help you stabilize the upper body.
The method requires that the hanging wall and often the footwall be of competent rock as the stulls provide the only artificial support.
The hanging wall occurs above the fault plane and the footwall occurs below it.
Hanging drywall horizontally then allows for a perfect fit with one sheet on top of the other.