jackhammer

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jackhammer

[′jak‚ham·ər]
(mining engineering)

jackhammer

1. An airhammer.
2.A hand-operated, pneumatic, rock drill.
References in periodicals archive ?
If your slab is large or extra thick, rent a pneumatic jackhammer ($160 per day for a hammer, a hose, bits and a trailer-mounted compressor).
Brandon Vogel (from left), George Psomas and Jake Mylenek, all Cal Young Middle School students, wield jackhammers to help demolish concrete barriers at Skinner Butte Park on Saturday.
The Polyleg, a pneumatic thrustleg for jackhammers, which uses a cylinder made of plastic rather than aluminium, is another Seco innovation.
Still, it's tough work for the teams of horticulture students tilling earth with jackhammers, trying to penetrate red earth compacted for future construction.
If we had used jackhammers, we would have been lucky to do five manholes in the same time it took to cut 30 with the 10-Minute Manholer.
We are very close to getting the jackhammers moving and it's harder to kill projects with a shovel in the ground than it is to kill projects that are just on the drawing board," she said.
Currently, this task is performed manually with jackhammers.
GLENDALE - With the sound of jackhammers in the background, Glendale Community College officials broke ground Friday on a $16.
Trump and Mayor Rudolph Giuliani, along with Deputy Mayor John Dyson, representatives of the Galbreath Company and the General Electric Pension Trust as they hefted their own jackhammers and officially broke ground at One Central Park West.
LILCO) workers will soon be equipped with a new device to help reduce injuries associated with repeated lifting of jackhammers.
Maybe the best part of the yet-to-be-completed construction was the destruction of the dugouts, courtesy of an eager coach and players donning jackhammers.
PCI II Ultra Wide Differential models come with two PCI Ultra Differential JackHammers.