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Lima Metro Line 2

Owner:
Client:
Service:
Investigation of unexpected progressing settlement of ground surface and constructed Metro Line 2 tunnel, shaft and station structures in Lima’s Santa Anita district.
Estimated cost: Commencement:
March 01, 2014
Completion date:
Ongoing
Location:
Av. Aviación 2494 – San Borja
Lima
Peru
Technical data:
Geology description:

All Metro Line 2 structures in the Santa Anita district were constructed in dense gravels which is underlain by a sequence of clay, sand and gravel layers. The bedrock lies an assumed 30m to 150m below ground surface.

Geology types:
Activity:
Categories:
Bid cost: Final cost:
$5.7 billion USD
Service areas:
Construction methods:
Description

Lima's Metro Line 2 project comprises 27 km of all-underground Line 2, plus an 8 km underground spur to the airport which will make up the first section of Line 4. Thirty-five new stations are being constructed, seven of them mined and the rest constructed by cut and cover. The MDL2 consortium is to design, finance and build the new line and to operate and maintain it for the following 30 years.

Overview of Lima's Metro Line 2 project (www.thinglink.com)
Results plot of the 2D finite element consolidation analysis