Tunnel Canal Tunnel

1989/09/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

The works of the tunnel of the channel of La Mancha advance. However, what started drilling from Great Britain goes between 100 and 300 m behind the expected. Problems in the tunnel evacuation system. However, the opening date of the tunnel will not be delayed, June 15, 1993.

Tunnel channel, which is desired open to the expected date.

The work carried out in the coming months will mark, in any case, the possible delay in the date of completion.

The channel requires a total of 3 perforated tunnels, two for transport and one for service. These tunnels have begun excavating simultaneously in France and Britain.

The service tunnel is advancing properly. Some 16 kilometers have been drilled and another 18 are missing. The approximate speed between the two tunnels (the one coming from the continent and the one coming from France) is 350 m/week. However, as the tunnel becomes longer, the speed of progress will decrease, since the evacuation of waste to the outside will cost more.

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Elhuyarrek garatutako teknologia