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Quito Metro- Line 1

Quito

2017
CLIENT
Consorcio Linea 1 Metro Quito (Acciona-Odebrecht)
DESCRIPTION
The Line 1 of the Quito metro will consist of a 22.6km tunnel and 13 new stations, in addition to the two already constructed.
The Tunnel Boring Machine EPB 'La Guaragua', excavating 1,131m in 30 consecutive days, set a new world record for the mechanized tunnelling excavation.
The potential of this project considering: admixtures for pre-cast concrete segments, two-component system, foam and polymers for soil conditioning and greases was near to 10 M€, for a total of 19 km excavation.
Mapei UTT is giving technical assistance during the excavation and is supplying foams, polymers together and greases:
POLYFOAMER FP/CC: foaming agent based on anionic surfactants with a natural lubricating polymer able to generate a stable foam compatible with every type of soil;
MAPEDRILL M1: synthetic liquid polymer soluble in water, used to homogenise the soil and make it cohesive and
impermeable;
MAPEBLOX/T: tail seal grease that, owing to its consistency, is easily pumpable; The particular formulation of the product, confers to MAPEBLOX/T excellent adhesive properties to all substrate types, rendering it therefore resistant to leaching, even in salt water;
  • MAPEBENT CBS 4

    MAPEBENT CBS 4

    Bentonite sodica ad alte prestazioni per l'ingegneria civile
    MORE INFO
  • MAPEDRILL M1

    MAPEDRILL M1

    Synthetic polymer in liquid form for water based fluids to be employed in mechan
    MORE INFO
  • MAPEQUICK CBS SYSTEM 1

    MAPEQUICK CBS SYSTEM 1

    Liquid retarding admixture with plasticizing effect for cementitious-based injec
    MORE INFO
  • MAPEQUICK CBS SYSTEM 2

    MAPEQUICK CBS SYSTEM 2

    MAPEQUICK CBS SYSTEM 2
    MORE INFO
  • MAPEQUICK CBS SYSTEM 3

    MAPEQUICK CBS SYSTEM 3

    MAPEQUICK CBS SYSTEM 3
    MORE INFO
  • POLYFOAMER FP/CC

    POLYFOAMER FP/CC

    High performance liquid foaming agent, based on
    biodegradable anionic surfact
    MORE INFO
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