blasthole

blasthole

[′blast‚hōl]
(engineering)
A hole that takes a heavy charge of explosive.
The hole through which water enters in the bottom of a pump stock.
References in periodicals archive ?
The Centra Bulk System is a range of high-energy, pumped emulsion explosives suitable for dry and wet blasthole applications.
An eighth haul truck has been added to the mine fleet, along with one additional blasthole drill to meet this requirement.
Joy Global has added to its rotary blasthole drill product offering to provide a wider range of solutions for hard rock applications.
Atlas Copco introduced the Pit Viper 311 wide-range rotary blasthole drill to the world at MINExpo 2012.
Featured equipment in the sale includes over 35 rock trucks, 10 crawler tractors -- including CAT D10N's and D9N's, 10 wheel loaders -- including the biggest wheel loader that Caterpillar produces, the CAT 994C wheel loader, and blasthole drills.
Viking is a leading manufacturer and distributor of explosives products to the US iron mining industry, and is also the world's leading manufacturer of blasthole dewatering equipment.
The existing mining fleet at Briggs has been increased with the purchase of two DM45E blasthole drills.
At the Colomac Mine for the last nine months, mill output has not reconciled with blasthole grades.
Surface miners will be pleased to see a Cat engine powering the MD6240 rotary blasthole drill.
In addition, the company recently announced a multi-year program for the development of autonomous capabilities for blasthole drills.
The mining plan developed utilizes three mining methods: blasthole stoping (50% of ore), room and pillar (30% of ore) and drift mining (20% of ore).
Assembly of initial mine fleet commenced -- commissioned one 218-tonne truck, one dozer, two blasthole drills and commissioning of one hydraulic shovel 50% complete