Permeation Grouting
Permeation grouting, also known as cement grouting or pressure grouting, fills cracks or voids in soil and rock and permeates coarse, granular soils with flow-able particulate grouts to create a cemented mass. Permeation Grouting is a low pressure injection system used to improve the strength and reduce the permeability of granular soils.
Common uses
- Create barriers to groundwater flow
- Underpin foundations
- Provide excavation support
- Stabilise and strengthen granular soils
Advantages
- An economic advantage for underpinning applications over alternative approaches such as removal and replacement or piling
- Allows you to maximise the footprint of excavations compared with piled solutions
- Can be done where access is difficult and space is limited
- Since effectiveness of permeation grouting is independent of structural connections, is readily adaptable to existing foundations
- Can typically be accomplished without disrupting normal facility operations