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Wallpaper ID: 28299

Car Wallpapers > Other > Tunnels boring machine / Tunnelbohrmaschine (TBM)

Tunnels boring machine / Tunnelbohrmaschine (TBM)

Wallpaper Description:

A tunnel boring machine (TBM), also TBM (TVM), is a machine which were on the construction of tunnels used. It is particularly suitable for hard rock. Even when loose rock in the tunnel, for tunneling through the blasting technique is inappropriate, such large machines. Bohrkopf has the diameter of one to 20 meters. The establishment in the rear part of the Bohrkopfes has large diameters up to a length of 200 meters.
Eine Tunnelbohrmaschine (TBM), auch Tunnelvortriebsmaschine (TVM), ist eine Maschine, welche zum Bau von Tunneln eingesetzt wird. Sie eignet sich besonders für hartes Gestein. Auch beim Tunnelbau im lockeren Fels, der für Vortrieb mittels Sprengtechnik ungeeignet ist, werden solche Großmaschinen eingesetzt. Der Bohrkopf hat Durchmesser von einem bis zu 20 Metern. Die Einrichtung im hinteren Teil des Bohrkopfes hat bei großen Durchmessern eine Länge von bis 200 Metern.

Wallpaper Comments (3)

Posted by eddie.delaney on 12/08/09 at 03:00 PM

hey how are u ? just came across ur tbm , i am from Ireland + we opened a tunnel in Dublin back in december 2006 + this tunnel took just over 5&half yrs to complete & the cost amounted to $950 million / 750million euro if it interests you my friend have a look @ www.dublinporttunnel.ie/about/photos/ , the tbm for this tunnel came from Japan + i also worked on this project for 5 & half years also , have a good x-mass take care .