Permeation & Cement Grouting
Permeation grouting is the longest established and most commonly used grouting technique. It is most frequently used to fill porous spaces in soils or create soil solidification in porous or loose soils and gravels. It is used to fill a void without displacement of the formation or changing the volume or shape of the formation. It increases bearing capacity and/or blocks the flow of water. Holes are drilled, injection ports are installed then liquefied materials are pumped into the problem area. The material used varies greatly depending on the nature of the project and injection methods are commonly tailored to the site specifics. A variant, cement grouting uses a highly cementitious material injected into soil or rock formations to stabilize foundations/slabs or control settlement in granular soils.
Applications for Permeation Grouting
• Stabilize soil under settling slabs, structures or footing.
• Water control around pipes and structures
• Soil solidification due to structure leakage
• Fill cracks and voids
• Repair fractures in machine bases
• Stop rocking slabs in warehouses
• Rectify sink holes
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