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Underground Technology Construction Products

The Underground Technology Team is MAPEI’s answer to the growing demand from the construction market for a range of products dedicated to underground construction work. 
Thanks to their capacity and investments in their R&D laboratories, and the technical know-how developed in all countries, MAPEI created the dedicated product range “Underground Technology Construction Products”.

Technologies

MAPEQUICK AF

Alkali-free flash setting accelerators for shotcrete
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DYNAMON NRG

Super-plasticizer, hardening accelerating admixtures for precast concrete
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MAPEPLAN

Synthetic waterproofing membranes for tunnels and underground works
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MAPEGROUT

Wide range of mortars for repairing concrete
 
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MAPECOAT

Products specifically designed for the protection of cementitious susbtrates
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POLYFOAMER

Liquid foaming agents for mechanized tunneling with TBM
 
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MAPEBLOX & MAPEOIL

Full range of sealants and lubrificants for mechanized tunneling with TBM
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SILICAJET

Two-component organo-mineral resins for injection
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  • Ongoing Project

    Quito Metro- Line 1

    Quito

    2017
    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;
Our job references are the tangible result of more than 20 years of international on-site Underground Construction & Mining experience due to a worldwide network of highly trained and  professional Technical Service. 
 

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