roadheader vs tbm

roadheader vs tbm

  • (PDF) Roadheader applications in mining and tunneling

    Roadheaders offer a unique capability and flexibility for the excavation of soft to medium strength rock formations, therefore, are widely used in underground mining and tunneling operations.

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  • A Tunnel Boring Machine Makes Mining History in Australia

    In terms of speed, TBMs have proven to be about ten times faster than roadheaders (50 m per week for a TBM vs. 5 m per week for a roadheader).

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    The XRE TBM was picked over the traditionally-used roadheader method for several reasons, including excavation speed and tunnel maintenance. The choice proved prescient with the machine excavating at a rate approximately ten to fourteen times faster than

  • Building Hawaii's Longest Tunnel - Tunnel Business Magazine

    The $173 million project consists of 16,338 lf of tunnel (1,388 lf conventional tunnel via roadheader, 14,950 lf TBM tunnel) with a tunnel diameter of 13 ft. The final liner, fiberglass reinforced pipe, will have an ID of 10 ft.

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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.