Project Description

Jet Grouting uses fluid jetting with a very high kinetic energy to erode the soil structure and mixes the soil particles in-situ with grout. Jet grouting is a flexible technique that can be applied in areas that are difficult to access.

Presentation and key elements

What is it?

Jet grouting uses fluid jetting with a very high kinetic energy to erode the soil structure and mixes the soil particles in-situ with grout. It creates a homogeneous mass of high strength reinforced soil-cement material.

When and why use it?

Jet grouting is used to control and reduce settlement under structures, increase bearing capacity, create an impervious cut-off wall or impervious bottom for excavation, install retaining walls, underpin existing structures, reinforce soils with existing utility lines and buried structures. Depending on the overall design and soil conditions, several methods of treatment have been developed (single or double curtain walls, secant columns walls, plugs, isolated columns, etc.) making jet grouting a flexible technique.

💡 Menard’s tip

Jet grouting can be applied in areas that are difficult to access using inclined columns, directional drilling and masts of different sizes to fit within tight spaces.

CMC techniques for soil

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