Focus / 3/14/2023

Underground constructions

This selection of articles is dedicated to the fascinating world of underground works and the projects Mapei is involved in, with innovative technological products, in Italy and abroad.

A collection of articles on this subject

Our role as tunnelling
and excavation facilitators

Our role as tunnelling and excavation facilitators

The strategy of the Group for this sector is to combine effective application with environmental compatibility.

Engineering ability and creativity: the high profile of Italian knowhow

All around the world Italian tunnelling experts have demonstrated unrivalled expertise and flexibility when overcoming varying and unpredictable underground conditions.

M4 Metro Line, Milan (Italy)

M4 Metro Line, Milan (Italy)

Admixtures for concrete, waterproofing membranes, and products to install ceramic tiles and stone materials for a new metro line focused on sustainability.

Polyfoamer Eco Line

The expert's opinion

Polyfoamer Eco Line

Soil conditioning admixtures combine technical and environmental performances during EPB-TBM works.

Matanza-Riachuelo Basin in Buenos Aires (Argentina)

Matanza-Riachuelo Basin in Buenos Aires (Argentina)

Technical and environmental challenges for tunnelling work using EPB-TBM technology.

Underground powerlines in Saint-Denis (France)

Underground powerlines in Saint-Denis (France)

The project - the first of its kind in France – involves boring out tunnels in a highly built-up area with road, rail and river infrastructures.

Waterproofing systems for tunnels

Waterproofing systems for tunnels

Spray-applied polymeric membranes and synthetic membranes for a perfect result in all types of jobsites.

Cavo Redefossi sewer

Cavo Redefossi sewer

A bespoke fibre-reinforced mortar employed for consolidating a masonry canal used as sewer.