No. 201 Dongkai Road, Songjiang District Shanghai, China

  • Hard-Rock Tunnel Boring Machines

    The "invention" of a machine capable of excavating large-diameter tunnels in hard rock was one of the greatest achievements in the history of tunneling.

    get price

  • Qatar Trading & Contracting Group

    Micro-Tunneling Due to the requirement of installing underground pipeline by Non-Disruptive method or Trenchless met... more

    get price

  • HSN code for machinery, machinery parts, boilers, mechanical ...

    David : On 22 June 2017 Can anyone pls help me with finding the hsn code for Ultrasonics plastic welding machine and its related spares pls...

    get price

  • (NTBM) Nuclear Tunnel Boring Machines – Switzerland Has ...

    Trans-Planetary Subway Systems (Rand Corporation PDF)The first section of this page was written by Phil Schneider: Photo of United States Air Force tunnel boring machine at Little Skull

    get price

  • Elon Musk's Boring Company Wins a Big Boring Contract in ...

    Tesla and SpaceX CEO Elon Musk added one more entry to his over-achiever resume on Thursday: construction magnate. During a media event in a cavernous and exceedingly empty train station constructed in the mid-aughts but never used, Chicago Mayor Rahm Emanuel formally announced that Musk's tunnel ...

    get price

  • NIRM - National Institute of Rock Mechanics

    National Institute of Rock Mechanics, Kolar Gold Fields, India is a Premier Research Institute engaged in Research, Training and Consultancy in all areas of Rock Engineering

    get price

  • 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.

    get price

  • Underground Construction (Tunneling)

    Underground Construction (Tunneling) U.S. Department of Labor Elaine L. Chao, Secretary Occupational Safety and Health Administration John L. Henshaw, Assistant Secretary

    get price

  • Akkerman - Official Site

    GUIDED BORING, MICROTUNNELING, PIPE JACKING, SLIPLINING, & TUNNELING SOLUTIONS. Established in 1973, Akkerman develops, manufactures and supports advanced guided boring, microtunneling, pipe jacking, sliplining and tunneling underground construction solutions that accurately install 4-inch through 14-foot pipe diameters for a broad range of ...

    get price

  • Underground work - Tunnel Boring Machines, aeronautics and ...

    Hard rock machines. Our product offer is built around three types of tunneling machines for all types of geology, whatever the hardness of the rocks and the diameter to dig: single shield machines, telescopic shield machines and gripper machines.

    get price

  • Elon Musk Boring tunnel company: Facts - Business Insider

    Elon Musk is taking his newest venture underground. The Tesla and SpaceX CEO revealed in April his plan for the Boring Company, a new venture that is exploring a way to cut tunneling costs in order to relieve traffic congestion on roads and highways. Details on Musk's exact plan and its ...

    get price

  • DUMB: Deep Underground Military Base) - WHALE

    Schneider, Phil The Underground - A Hidden Reality and The True Story of Phil Schneider. Phil Schneider died in 1996. Previous to his death he had been on tour across the United States speaking out about various subjects including his involvement with building a secret underground base in Dulce, New Mexico for the military.

    get price

  • Secret Underground Bases and Facilities - Crystalinks

    Secret Underground Bases and Facilities. The history of humanity is laced with stories about secret underground facilities and bases that go back to the beginning and - more recently highlighted with catacombs of many cities - and caves that lead to underground chambers for all sorts of purposes, mostly thought of as clandestine - run by the ...

    get price

  • 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.

    get price

  • Tunnelling shield - Wikipedia

    A tunnelling shield is a protective structure used during the excavation of large, man-made tunnels.When excavating through ground that is soft, liquid, or otherwise unstable, there is a risk to workers and the project itself from falling materials and/or a cave-in.

    get price

  • Cranes Etc Mining Equipment Scale Models Reviews Index

    Mining / Quarrying Equipment Scale Models: Machinery used in mining and quarrying (including tunnelling) is listed here. Many machines will also be used in heavy earthworks / civil engineering applications.

    get price

  • Tunnelling and Underground Space Technology | ScienceDirect.com

    Read the latest articles of Tunnelling and Underground Space Technology at ScienceDirect.com, Elsevier's leading platform of peer-reviewed scholarly literature

    get price

  • L.A. to N.Y. in Half an Hour: 10,000 Plus M.P.H ... - Infowars

    The Very High Speed Transit System (VHST) was a Rand Corporation concept that was presented to the military industrial complex in the 1970′s.. The concept was way ahead of it's time, exactly what the secret sinister government needed to connect their vast expansions of underground bases throughout the United States and in various regions ...

    get price

  • Secret Underground Bases - UFOs, Aliens

    Underground Bases We recently came across a very interesting list from a book called Entrances to Subterranean Tunnels "Underground Alien Bases" (UAB) ISBN: 0-938294-92-X (UAB) which purports to list

    get price

  • 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...

    get price

  • Mining Equipment, Breaking, Drilling & Crushing Products ...

    Whether you need to excavate, transport or process ore more efficiently, our comprehensive range of cutting-edge surface and underground mining equipment is designed to increase your productivity and boost your bottom line.

    get price

  • Project Camelot | Underground bases and tunnels

    The first section of this page was written by Phil Schneider:. Photo of United States Air Force tunnel boring machine at Little Skull Mountain, Nevada, USA, December 1982.

    get price

  • Pipe Jacking & Tunneling | TBM | Series II TBM - Akkerman

    Pipe Jacking & Tunneling TBM, Tunnel Boring Machine, Conventional Open-Face TBM, Boring Shields, TBM, Wheel Machine

    get price

  • Central Subway Tunneling | SFMTA

    Tunneling Of the 1.7-mile Central Subway Project's length, over a mile will be in dual subway tunnels. These tunnels were excavated using two 20-foot diameter tunnel boring machines (TBMs) affectionately named Mom Chung and Big Alma, after Dr. Margaret "Mom" Chung, and "Big Alma" de Bretteville Spreckels, two women both famous for their roles ...

    get price

  • Microtunneling - Bradshaw Construction Corporation

    Understanding Microtunneling. Microtunneling is state of the art remote-controlled pipe jacking by computer, which is why we call it "Digital Age Tunneling".

    get price

Copyright © 2018-mechanical Electromechanical Co.,Ltd