general roadheader link

general roadheader link

Roadheader - Wikipedia

A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track to move the entire machine forward into the rock face.

EquipmentMine - New and Used Mining Equipment Marketplace

EquipmentMine is a searchable database of new, used and surplus mining equipment and parts available for sale.

A review of rock cutting for underground mining: past ...

WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South Africa

Tunnel Update - June 2016 - Tunnel Business Magazine

CALIFORNIA Los Angeles Crenshaw/LAX Transit Project Walsh/Shea Corridor Constructors. This $1.278 billion project for the Los Angeles Metropolitan Transportation Authority (Metro), being built by a joint venture of Walsh and Shea, is an 8.5-mile light-rail line that will run between the Expo Line on Exposition Boulevard and the Metro Green Line.

Ottawa sinkhole: Rideau Street sinkhole swallows van, forces ...

An enormous sinkhole swallowed three lanes of Rideau Street and a parked van on Wednesday morning, forced the evacuation of the Rideau Centre and nearby businesses, and left the downtown core in a state of chaos that could last for days.

Continental Holdings Corporation - CEC 歷史走廊

1989: Complete Construction of the Kuchuang No. 1 & 2 Tunnels for the South Rail link. 1989: Acquisition of the American Bridge Company, based in Pittsburgh, Pennsylvania, expands company presence in the global market.

Barrick Gold Corporation - Barrick Reports Progress on Projects

TORONTO, February 15, 2017 — Barrick Gold Corporation (NYSE:ABX)(TSX:ABX) (“Barrick” or the “Company”) today reported progress on projects with the potential to contribute up to 1.1 million ounces of gold production at Cortez, Goldrush, Lagunas Norte, and Turquoise Ridge. The Company has ...

List of Dirty Jobs episodes - Wikipedia

Dirty Jobs is a program on the Discovery Channel, produced by Pilgrim Films & Television, in which host Mike Rowe is shown performing difficult, strange, disgusting, or messy occupational duties alongside the typical employees.

Encyclopedia of Occupational Safety & Health : Chapter 93 ...

Work Organization and Labor Instability Construction projects, especially large ones, are complex and dynamic. Several employers may work on one site simultaneously, with the mix of contractors changing with the phases of the project; for example, the general contractor is present at all times, excavating contractors early, then carpenters ...

Pit Terminology - Glossary

Pit Terminology - Glossary. Glossary of words that are generally specific to the mining industry: Some have a two or three fold meaning, some have gone out of use, some are local to Derbyshire, Leicestershire, South Yorkshire and to Nottinghamshire, and others are general to the British Coalfields.

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About KAMY

KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.