Water Sealing Blog - Tag: Boring

Tunnel Grouting after a TBM

By Chris on 08-27-2019

Tunnel boring with a TBM creates many opportunities for polyurethane grouting. For instance, the tail seal brushes of a tunnel boring machine are coated with grease to act as a water barrier, as ground water needs to be kept in the front of the machine. Over time the brushes wear out an... Read More

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Tags:   Tunnel water control. TBM  Boring Machine Polyurethane Grout Concrete