Based on the depth of the mine and what we've encountered so far, the risk of subsidence is moderate to high according to PADEP criteria. The property used to be farmland so topography does not show any evidence of past settlement from continually regrading. No past information exists from...
Looked in our AREMA books already, and couldn't find anything on mine stabilization. I'll find out who owns the connecting lines and see what they say then. Thanks.
Loading is not an issue when it comes to potential mine subscidence; unless it was some astronomical surcharge. When the mine...
The project consists of a new rail yard for a private owner on private land; although, it will connect to existing lines outside of the property. The rail yard is roughly 600,000 square feet. The railcars will be carrying highly flammable material.
The mine workings were originally "room and...
If the surcharge is out of the range of the failure slope, should it still be included?
I have a 7.5' retaining wall with a parking area 5 feet from the wall. The Ka for the soil is 0.25 which would put the rankine failure surface about 4' from the wall at the top, given that the backfill is...
