Herrenknecht tunnel borers taste mountain air in Ecuador
Sep 26, 2016
In Quito one of the highest metro systems in the world is currently being built.
Two tunnel boring machines from Schwanau will soon be literally heading for the hills. In the Ecuadorian Andes work on the Metro de Quito is in full swing – the first two of the planned 15 metro stations are already under construction. In a few months the site crews will be joined by two Herrenknecht tunnel borers.
The planned tunnel alignment of Metro Line 1 runs at a depth of about 20 to 25 meters below the city. The new rail system is an important step in the modernization of the metropolis and in future will transport more than 350,000 passengers daily. At the moment the high volumes of traffic regularly cause congestion and smog. The switch to a more environmentally friendly mass transportation system is designed to remedy the situation and save up to 30,000 tonnes of CO2 emissions per year.
MACHINE DATA S-1018, S-1019
Machine type: 2 x EPB Shield
- Shield diameter: 9,365 mm
- Drive power: 2,750 kW
- Torque: 21,035 kNm (nominal)
Project: Metro de Quito Line 1
Client: Quito Metro (Empresa Pública Metropolitana Metro de Quito)
Contractor: Consorcio Line 1 – Metro De Quito (Acciona/Odebrecht)
Geology: Silt, clay, tuff (volcanic origin)
Tunnelling distance: 1 x 8,180 m, 1 x 9,053 m
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