The excavation activities are done 24 hours a day, with workers drilling holes and setting explosives in the shaft circle. Rubble from the explosion is scooped out using remote-controlled ...

This conversation is indicative of a larger movement that has been afoot for the past few years that seeks to discourage - or even eliminate - personnel from entering drilled shafts to clean or ...

Some of the issues arose at a Jan. 23 constructibility meeting in Providence where officials from Rhode Island DOT, FHWA and ADSC discussed using drilled shafts in lieu of battered piles for the ...

Rescuers in Chile are increasingly frustrated over their inability to pull out a broken drill bit stuck deep inside a shaft which is being drilled to rescue 33 trapped miners. If the part cannot ...