Drilling and blasting are commonly adopted techniques for overburden removal and ore excavation in opencast as well as underground mining operations. Blast hole drilling also constitutes the simplest ...
After successful drilling results shown at an underground operation of Chile-based copper miner Pucobre, mining equipment ...
Blasting is expected to continue through the end of October. The blasting process will involve crews drilling into rock and using explosives to make it easier to remove for construction.
The blades are typically tapered down toward the cutting surface. Anchor bits are commonly used in coal mining operations to drill pilot holes for the insertion of roof bolts. The roof bolts function ...
The trial results showed that "under extremely hard rock conditions ... which integrates the TBM with drilling and blasting methods, allows for simultaneous excavation and blasting - a combination ...
Several victims and eyewitnesses have shared their experiences following a highway rock-blasting incident on the Buduburam stretch of the Accra-Winneba Highway. The blast, which occurred on ...
Once the rock scaling work is done, blasting work will begin on the same stretch of interstate. The traffic impact from that won't be as extensive, but it will last all the way through 2026.