tunneling and underground equipment

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  • Scanning tunneling microscope - Wikipedia

    A scanning tunneling microscope (STM) is an instrument for imaging surfaces at the atomic level.Its development in 1981 earned its inventors, Gerd Binnig and Heinrich Rohrer (at IBM Zürich), the Nobel Prize in Physics in 1986.

  • Rock & Dirt Equipment Advanced Search

    Limit results to items added within days; Construction Equipment Trucks Trailers Cranes Parts & Attachments Other Searches

  • Procon Mining & Tunnelling

    Mining Solutions Tailored to Meet Every Need. Procon is an experienced full-service provider of start-to-finish solutions for the mining industry. Our unique solutions include the ability to build and operate even the most complex open pit or underground mining developments and civil infrastructures.

  • RETC 2018 | Rapid Excavation & Tunneling Conference

    The Rapid Excavation & Tunneling Conference (RETC) is the nation's leading tunneling and underground construction conference. Discover why this is THE can't miss conference of 2019.

  • DEEP UNDERGROUND MILITARY BASES IN AMERICA - Sherry Shriner

    THE DENVER AIRPORT. DEEP UNDERGROUND MILITARY BASES IN AMERICA . Unknown to most Americans is a dark secret, and it's right under our noses.

  • Meet our giant tunnelling machines - Crossrail

    8 giant tunnelling machines. 1,000 tonnes in weight, 140 metres long - a giant underground factory on wheels More...

  • Casagrande SpA world-class manufacturer of foundation equipment

    Manufacturer of foundation equipment, designs and produces large diameter piling rigs, geothermal drill rigs, grouting plants and hydraulic crawler cranes.

  • Mining Equipment - Official Site

    Supplying the mining and tunneling industries with new and quality rebuilt underground equipment for almost 40 years.

  • Roadheaders for Tunneling, Excavation, and more | Antraquip ...

    Antraquip roadheaders are powerful rock-cutting machines designed to excavate roadways and tunneling, including mining and railroad applications.

  • 2017 Tunneling Industry Outlook - Tunnel Business Magazine

    Each year, TBM publishes a tunneling industry outlook by polling a sampling of tunneling professionals. Most agree that demand is high for tunneling.

  • EquipmentMine - New and Used Mining Equipment Marketplace

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

  • Underground Warfare 1914-1918 Paperback - amazon.com

    Underground Warfare 1914-1918 [Simon Jones] on Amazon.com. *FREE* shipping on qualifying offers. Simon Jones's graphic history of underground warfare during the Great War uses personal reminiscences to convey the danger and suspense of this unconventional form of conflict.

  • Tunnels and underground excavations | engineering ...

    Tunnels and underground excavations: Tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature's action in dissolving a soluble rock, such as limestone.

  • A History of BART: The Project Begins | bart.gov

    Previously: The Concept is Born BART construction officially began on June 19, 1964, with President Lyndon Johnson presiding over the ground-breaking ceremonies for the 4.4-mile Diablo Test Track between Concord and Walnut Creek in Contra Costa County.

  • US Underground Bases - Anomalies Unlimited

    . Much of the US is honeycombed with naturally occurring caves and caves systems, sinkholes and abandoned mines - especially in the West - so it's not all that far-fetched when you think about it.

  • 2018 Tunneling Industry Outlook - Tunnel Business Magazine

    Each year, TBM: Tunnel Business Magazine takes a look at the coming year by polling a sampling of tunneling professionals. How is the year ahead shaping up? What are the emerging trends?

  • Akkerman - Official Site

    GUIDED BORING, MICROTUNNELING, PIPE JACKING & TUNNELING SOLUTIONS. Established in 1973, Akkerman develops, manufactures and supports quality pipe jacking and tunneling equipment that accurately installs a variety of underground infrastructure.

  • Lundin Gold to start building Ecuador's largest underground ...

    "Tunneling through soft clay was a significant risk factor to underground mine development due to the potential for ground failure. We were able to get through this challenging task, and the mine development is now advancing at a quicker pace," said Ron Hochstein, President and CEO of Lundin Gold, in the media brief.

  • Underground Bases and Tunnels - The Truthseeker

    Behind the headlines - conspiracies, cover-ups, ancient mysteries and more. Real news and perspectives that you won't find in the mainstream media.

  • HDD Willco – Underground Utility Construction Services ...

    Modern Equipment Fleet– having dependable equipment is key to success on the job site and maintaining timelines.. Track Record Of Success– with over 900 miles of pipe & casings installed we have the experience to complete your job.

  • Mining Equipment Alban | RDH Mining Equipment

    RDH Mining Equipment Equipements Miniers – Equipos Mineros. We've been providing quality underground mobile mining and tunneling equipment for nearly 30 years.

  • Tunnel - Wikipedia

    A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.

  • Drilling and Piling Equipment - CASAGRANDE GROUP

    Drilling and piling equipment: anchor, geothermal, minipiling drills and boring rigs, CFA continuous flight auger, jet grouting, diaphragm wall equipment.

  • Heavy Equipment For Sale & Rental - New & Used Heavy ...

    Heavy Equipment For Sale & Rental | Rock & Dirt . Search 1000's of listings for heavy construction equipment for sale or rent updated daily from 100's of dealers & private individuals.

  • Sandvik Mining and Rock Technology — Mining Equipment, Parts ...

    Sandvik rock drills or rotation heads - depending on application - are the heart of any rock drilling equipment. As the leading supplier of rock drill technology in the world, we design, produce and deliver these core components and their spare parts for underground drilling and surface drilling.