There may be more than one way to get a job done, but that doesn’t mean one is as good as another. Given the circumstances of your project and your job site, there may be one technique that brings superior results. For example, stabilizing soils is critical for ensuring your work has a strong foundation. Two of the most common methods are chemical soil stabilization and geotextile fabric for soil stabilization. The former uses the application of chemical reagents to strengthen soils, while the latter involves physically securing soil with the use of synthetic fabrics. While chemical stabilization changes the properties of the earth on the site to make it stronger, the use of geotextiles for soil stabilization only serves to reinforce areas where the ground is softer by adding a layer of material to separate the soft ground and the suitable fill it will help support. Depending on the specifics of your project, one method may be better than the other. Read on to learn more about the differences between the use of chemicals and geotextiles for soil stabilization.
Although they both serve more or less the same function, these two techniques are very different. In terms of materials, the chemical process uses additives such as cement, fly ash, or quick lime. Geotextiles for soil stabilization, on the other hand, are woven synthetic fibers that come in large rolls. In the chemical stabilization process, the additives are mixed into the earth using large-scale rotary mixing tools that cover large areas and then compacted with vibratory compactors. The use of geotextiles in soil stabilization typically involves rolling the material over the intended area, securing it in place, and then layering it on suitable fill or aggregates.
Chemical methods of stabilizing soils are used in a broad range of applications. These include practically any type of construction project involving hard surface paving or structural fill zones. By comparison, soil stabilization by geotextiles and fabrics is frequently employed to create retaining walls, reinforce slopes and embankments, or bridge over subgrades too weak to support an aggregate base.
Pros of chemical stabilization: Among the advantages of this technique is that it can be highly effective when the proper chemicals are used. Because it also serves to remove moisture from the earth, it cuts down on future water infiltration that can weaken your subgrade. This method also represents the most cost-effective solution, being cheaper and faster than other techniques. These qualities also make it the most convenient option in most applications and are best suited for large scale projects like new building pads, parking lots, and roads.
Cons of chemical stabilization: Using chemicals to stabilize soils may be difficult if your project is in a remote area far from suppliers, note cost effective if your project is very small, or the onsite material you need to stabilize has a high organic content like topsoil or peat moss. This method also may bring complications based on the compatibility of the soil, curing times, and any specialized equipment that may be needed. It takes the right level of expertise to ensure the best results, and not all contractors have the necessary experience.
Pros of geotextile fabrics: These materials typically have exceptional tensile strength, making them well suited for repair projects or small problem areas like parking lot undercuts or long straight projects like roads and driveways. Fabric also does well to separate organic materials from fill or aggregate base, so you’re not using more fill or gravel than necessary.
Cons of geotextile fabrics: High temperatures can cause the materials to shrink or even melt, reducing their effectiveness. In addition, there’s a chance that the textiles may be damaged by heavy equipment during installation, and there may be compatibility issues with certain types of soil or backfill. Geotextiles are not typically efficient or cost effective on large scale projects.
Rock Solid Stabilization & Reclamation, Inc., is the name trusted throughout the construction industry for expert chemical soil stabilization. We bring a wealth of experience and expertise to ensure the highest-quality results, providing contractors with the stability and longevity they want their projects to achieve. If you want to learn more about our full range of capabilities and how they can help your next job, reach out and contact us today.
