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.

road conditions near - drilling machine for tunnel ...

Road Conditions Text Version Report - RACQ. Donohue Highway, Wills, - - Boulia to Alice Springs . Caution water on road in places.

Home - Herrenknecht AG

Herrenknecht is the world market leader in mechanized tunnelling technology and offers high quality tunnel boring machines for every geology, additional equipment, and …

Tunnel boring machine - Wikipedia

A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

Job offers - Herrenknecht AG

Full Range Tunnelling Project-specific solutions – from cutting wheel to the separation plant. Herrenknecht ties up a complete package for you.

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

PJA Members - Pipe Jacking Association Homepage

Morgan Sindall is a UK construction, infrastructure and design business with a network of local offices. The company works for private and public sector customers on projects and frameworks from £50,000 to over £1 billion.

Buy Temporary Suspended Platform Cradle with Plastic …

Buy Temporary Suspended Platform Cradle with Plastic Spray Painted, Find Details include Size,Weight,Model and Width about Temporary Suspended Platform Cradle with Plastic Spray Painted.

Practical Tunnel Construction: Gary B. Hemphill ...

Practical Tunnel Construction [Gary B. Hemphill] on Amazon.com. *FREE* shipping on qualifying offers. The only modern guide to all aspects of practical tunnel construction Practical Tunnel Construction fills a void in the literature for a practical guide to tunnel construction.

Great Pyramid Hydraulic Pulse Generator and Water Pump

Working models of the suberranean section of the Great Pyramid. A hydraulic pulse generator and water pump built with the subterranean chamber.

EM 1110-2-2901 Tunnels and Shafts in Rock - Scribd

EM 1110-2-2901 Tunnels and Shafts in Rock - Ebook download as PDF File (.pdf), Text File (.txt) or read book online.