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Pressure Grouting
The term “Pressure Grouting” is in widespread use,
but it is frequently misused. Although it seems to describe a specific
type of grouting, the term is not specific. It refers to a wide variety
of procedures. All grouting is done under pressure, so it is kind of
like saying, “wet water”. Permeation Grouting is a more
precise term for what is commonly referred to as pressure grouting.
Permeation grouting is the direct pressure injection of a fluid grout
into the ground to fill the spaces between particles.
It is a very flexible approach to ground improvement.
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Injection methods are tailored specifically to a project.
Some jobs are well suited to drill rigs and high-rate batch
plants; other jobs are better suited to hand drills and
small metering pumps. |
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