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Load - Bearing Capacity

The most significant difference between helical piles and ground screws is their load - bearing capacity. Helical piles are engineered to support heavy loads, making them suitable for large - scale and high - load applications. Ground screws, on the other hand, have a lower load - bearing capacity and are more appropriate for lighter structures.

Installation Method

Helical piles require hydraulic machinery for installation, which is suitable for large - scale projects where access for heavy equipment is possible. Ground screws, being smaller and lighter, can be installed manually or with lightweight tools. This makes ground screws more accessible for projects in tight or hard - to - reach areas.

Soil Adaptability

While both helical piles and ground screws can be used in a variety of soil conditions, helical piles are better suited for more challenging soils, such as those with high clay content or in areas with significant soil movement. Ground screws are more versatile in terms of installation in different terrains but may not be as effective in extremely poor soil conditions without additional measures.

In conclusion, understanding the differences between helical piles and ground screws is crucial for choosing the right foundation solution for your project. Whether you are undertaking a large - scale commercial construction or a small - scale residential landscaping project, carefully considering the load - bearing requirements, soil conditions, and installation logistics will help you make an informed decision.