Underground construction in the soft ground below the water table using Earth Pressure Balance (EPB) tunnel boring machines (TBMs) is undergoing tremendous growth. The EPB shield ...

Tunnel boring machines (TBMs) are highly specialized machines designed to bore through the earth to construct a variety of infrastructure, from super-highways to water-overflow ...

For more than 15 years, underground construction experts from all over the world have participated in our popular workshops at the Hagerbach Test Gallery in Switzerland. After a ...

Sprayed concrete construction in double-shell lining is a CO2-intensive construction method for tunnel structures. We identify design improvement potentials and propose ...

Segmentally lined tunnels use a large quantity of concrete, with the associated carbon burden that brings. However, rethinking your approach early on can reduce the carbon ...