Mexico

New Metro Line in Mexico City

Untertiteltext Englisch

1 The 10.2 m diameter EPB is the first of its kind to be assembled onsite using OFTA

2 The EPB, Mexico’s largest TBM, was launched in February 2010 to bore a new metro tunnel

3 The EPB is boring Mexico City’s Metro Line 12, the first new rail route
in 10 years

4 Excavation with the TBM began from a shaft using umbilical cables attached to back-up decks on the surface

5 Mexico’s 7.7 km long Line 12 tunnel will cut travel times by 2.5 h in southern areas of Mexico City

6 On May 21, 2010, a 10.2 m diameter EPB broke through into the first cut and cover station of the Mexico City Metro’s Line 12

The Project Mexico City Metro Line 12 is a challenging tunnel in difficult geology below downtown areas of the Mexican Capitol. It is the first new rail route of the last 10 years in Mexico City.

In the End of May 2010, Mexico City Mayor Marcelo Ebrard, along with local authorities and contractor ICA, gathered together to watch the breakthrough of a giant. Those on hand witnessed the country’s largest TBM, at 10.2 m in diameter, break through into its first open cut station site. The 180 m long, 34 m wide breakthrough area will become Mexicaltzingo Station, the first of 8 stations in the city’s new metro Line 12 tunnel, also known as the “gold line”.

The Robbins EPB will excavate 7.7 km of the Mexican Federal District’s first new rail route in 10 years, travelling between the southern...

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