Helical Piles
They are deep foundation alternatives, installed through mechanical torsion, of high resistance, and capable of developing load capacities in soils with special conditions.
They are recognized and endorsed by the world’s most stringent building codes, applicable in the national territory, in accordance with current regulations. With over a century of history and literature supporting their use, they are now considered one of the most cost-effective foundation alternatives in the residential, industrial, and commercial construction industry.
Benefits of Helical Piles
Engineers often ask, “What are some of the potential advantages of using screw piles or helical anchors in my project?” This is a great question, and it seems like a good place to provide some brief and simple answers.
Housing and Commercial Sector
Technical Benefits
- The load transfer from your structure is carried out in more competent soil strata.
- The risk of settlements is significantly reduced, ensuring the preservation of your finishes in the long term.
- A single helical pile can provide a load capacity of up to 80 tons.
- Ideal solution for foundations of decks or stilt structures.
- Recognized and endorsed by international construction codes.
- Compatible with all types of construction systems, including wood, concrete, metal structure, steel framing, etc.
- Helical piles are the only foundation solution that can be loaded immediately after installation.
- It is the most popular solution in North America for foundation retrofitting and settlement recovery.
Economic Benefits
- Reduction in mobilization costs – While conventional foundations require specialized installation equipment, helical piles can be quickly installed using mini-excavators or bobcats.
- Increased Productivity – On average, an installation team can install between 20 and 30 helical piles per day.
- Low Invasiveness – Helical piles do not require excavation, concrete, or grouting. The equipment needed for installation is lightweight and easily maneuverable.
Environmental Benefits
- Zero earth movement – The helical pile can be installed without moving a single cubic centimeter of material.
- Waste disposal – Due to the NON-use of concrete and grout, there is no need to consider the final disposal of sludge or debris on the construction site.
- Reduction in Emissions – The equipment is lightweight, making it efficient in the consumption of fossil fuels, and no debris is produced that requires transport to certified landfills.
Electrical Sector
Technical Benefits
- The transfer of loads from your structure is carried out in more competent soil strata.
- A single helical pile can provide a load capacity of up to 80 tons.
- The construction methodology allows for monitoring and guaranteeing the capacity of each installed pile through constant monitoring of the installation torque.
- Helical piles are the only foundation solution that can be loaded immediately after installation.
- With inclinations of less than 15°, it is possible to handle considerable magnitudes of lateral load.
- By using groups of piles connected by concrete caps, large load magnitudes, typical in high and extra-high tension towers, can be supported.
- By using groups of piles connected by caps or metal grillages, structures can be mounted immediately after the installation of the piles.
- In maintenance and repowering of electrical infrastructure, alternatives with minimal invasiveness are provided.
Economic Benefits
- Reduction in mobilization costs – While conventional foundations require specialized installation equipment, helical piles can be quickly installed using mini-excavators or bobcats.
- Increased Productivity – On average, an installation team can install between 20 and 30 helical piles per day.
- Low invasiveness – helical piles do not require mass excavations, use of concrete, or grouting. The equipment required for their installation is lightweight and easily maneuverable.
- With helical piles, it would be possible to foundation a transmission tower in one workday.
- In hard-to-reach sites, with manual equipment designed for this purpose, it is possible to use helical piles in your project.
Environmental Benefits
- Helical piles in transmission and distribution projects significantly reduce excavation volumes.
- Waste disposal – Due to the NON-use of concrete and grout, final disposal and treatment of sludge are not required.
- Reduction in Emissions – The equipment is lightweight, making it efficient in the consumption of fossil fuels, and no debris is produced that requires transport to certified landfills.
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