A helical pile is an end-bearing deep foundation system with compression and tension applications. Applying torque to the shaft installs the helical pile with no vibration, no spoils and minimal disturbance. Loads are transferred down the shaft onto the helical plates to the load-bearing strata above and beneath each helical plate. The torque required to install the helical pile correlates to its capacity - the greater the resistance (torque), the denser the soil, and the higher the load-carrying capabilities.
Application
New Construction
Helical piles are excellent for new construction in tension or compression to support a variety of structures ranging from industrial, commercial, institutional, infrastructure and residential applications from one to thirty stories.
Retrofit
Well adapted to the challenges that occur in retrofit applications helical piles are great for adding more capacity to an existing foundation for repairs, remediation or renovation.
Tower Support
From communications to transmisson towers helical piles can be installed in low headroom and in remote areas with difficult access. From new installations to adding capacity to existing structures for new loads helical piles offer flexibility and accessibility.
Slope Stabilization
In areas where traditional slope stabilization methods are not practical or feasible, helical piles offer an option that tackles access challenges and timing.
Construction Process
Helixes are installed on high-strength steel pipe piles, twisted into the ground by rotational force, and reinforced by grouting. The upper and lower ends of the steel pile have excellent stability in both compression and tension by friction or support.
The size and number of helical rotors can be adjusted according to geological and self-weight conditions.
Construction Procedure
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