Dam cut-off walls: What is at stake?

Cut-off walls are used to prevent unwanted movement – typically of liquids – in and out of the ground and they play an important role in large structures like dams. They act as seepage barriers to isolate an area both upstream – by retaining water in the dam’s reservoir – and downstream, protecting the river.

Creating a very deep watertight cut-off wall under the dam’s foundations is crucial to prevent any water penetration beneath the dam.

How VSL can help you

As a worldwide specialist in diaphragm walls, VSL-Intrafor can design and build highly effective cut-off walls. It has patented a proprietary method that significantly speeds up the construction of slurry walls and ensures almost perfect verticality even at depths of more than 90m. VSL-Intrafor’s experience also enables it to offer an alternative solution for sealing the rock under a dam by installing a curtain grout wall.

What are the VSL dam cut-off walls solutions?

VSL-Intrafor’s role can include preliminary ground investigation if required, as well as a full design & build service that clients can rely on.

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