Water Sealing Blog - Tag: Concrete
Bridge Rehab
Although structurally sound, this bridge had some hairline cracks that would continually drop water onto traffic below. By inserting mechanical packers alongside the fractures and injecting polyurethane grout, the seepage was able to be stopped. The polyurethane grout used in t... Read More
Category: Company Information
Tags:
hyperflex grout injection polyurethane concrete repair
Concrete Segment Polyurethane Injection
Leaking concrete segments are injected with polyurethane grout in a tunnel that was created by a tunnel boring machine. The grout used was Hyperflex, which is injected as a liquid. The liquid material reacts with moisture and creates a hydrophobic foam to stop the infiltration.
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Category: Company Information
Tags:
TBM Segment Concrete Injection Seal leak Tunnel Grouting Polyurethane
Tunnel Grouting after a TBM
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
Category: Company Information
Tags:
Tunnel water control. TBM Boring Machine Polyurethane Grout Concrete
Shrinking Concrete
Concrete shrinks. In this instance, it was allowing an unwanted transfer of water. When constructed, this corrugated HDPE pipe was encased in concrete to limit erosion and to ensure that no back-flow could occur. A back-flow valve was also placed inside the pipe. Ho... Read More
Category: Company Information
Tags:
shrinking concrete back-flow repair hyperflex polyurethane grout
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