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Screw piles work on the principle of helical rotation. The helical plates act as rotating screws, advancing into the ground with minimal soil disturbance. This helical action allows the pile to generate significant bearing capacity, providing a stable foundation for the structure. See AB Chance Helical Screw Pile Installation Process.

Yes, screw piles are versatile and can be used in a wide range of soil types, including sandy, clay, silty, and cohesive soils. The pile size and design are adjusted based on the specific soil conditions and using a grout column greatly enhances capacity. See Capacity Charts.

The load-carrying capacity of screw piles depends on factors such as the soil strength, pile dimensions, and installation depth. Screw piles can typically support loads ranging from a few kN to several hundred kN. Torque correlation us used to confirm the design/ confirm once pile capacity is achieved. See Capacity Charts.

While screw piles are versatile, they may not be suitable for certain soil conditions or very heavy structures. Site-specific engineering is crucial to determine the appropriate foundation solution.

Screw pile installation typically produces minimal noise and vibration compared to other foundation methods, making them favourable for urban or noise-sensitive areas.