Injection Grouting Waterproofing

Pressure grouting is defined as an injection under pressure of fluid material into fractures and cavities in rock, soils or artificial structures.Foundation problems such as vibration, leakage, water cut-off, deficient bearing and others encountered in new construction or existing structures can often be solved by pressure grouting using cement or chemical grout. Many structures and floors have been raised back to original elevation by a controlled grouting program.

 injection Grouting Waterproofing
How Pressure Grouting Works?

The initial step in pressure grouting is to determine the locations of the desired holes to be drilled that will best stabilize the foundation. Once the desired location for the holes has been determined, the drilling is done. Concrete grout is then pumped into the holes at high pressure until the concrete comes into contact with the existing foundation. While the concrete is pumped into the drilled holes, the hydraulic lifts maintain an even surface. As soon as the void beneath the foundation surface has been filled properly, the holes are refilled.

What is pressure injection grouting?

Pressure injection grouting is the procedure of using a material that cures in place to strengthen a structure and stop water movement by filling gaps, cracks, open joints, and honeycombs in structural elements made of concrete or masonry under pressure. Since grout is a flowable plastic, it should cover any gaps or spaces entirely and have very little shrinkage. It should also be sturdy and not crumble, split, or delaminate.

Cement grout, polymer-cement slurry, epoxy, urethane, and high-molecular-weight methacrylate (HMWM) are among the several forms of grouts. These grout materials are chosen based on how well they work with the original material for a certain kind of concrete or masonry repair work. The intended goals of the grouting process won't be accomplished if the wrong grouting material is chosen.

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