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What are piled foundations?

Piled foundations are an essential component of many construction projects, providing a stable and secure base for buildings, bridges, and other structures. Piled foundations are typically used in situations where the soil is unable to support the weight of the structure or where the soil conditions are unstable. There are several different types of piled foundations, each with their own unique features and advantages.

Driven Pile Foundations Driven pile foundations are the most commonly used type of piled foundation. This type of foundation is created by driving a precast concrete or steel pile into the ground using a pile driver. Driven piles are typically used for large-scale construction projects such as bridges, high-rise buildings, and industrial facilities. The main advantage of driven pile foundations is their ability to support heavy loads.

  1. Bored Pile Foundations Bored pile foundations are created by drilling a hole into the ground and filling it with concrete or a reinforced steel cage. Bored piles are typically used in situations where the soil is too soft or unstable to support a heavy structure. Bored piles are often used for high-rise buildings, bridges, and other large-scale construction projects.

  2. Screw Pile Foundations Screw pile foundations are created by drilling a helical screw into the ground, creating a secure foundation for the structure. Screw pile foundations are typically used in situations where the soil is too soft or unstable to support a traditional foundation. They are often used for smaller construction projects such as decks, fences, and other light structures.

  3. Caisson Foundations Caisson foundations are created by sinking a large, reinforced concrete or steel cylinder into the ground. Caisson foundations are typically used in situations where the soil is too soft or unstable to support a traditional foundation. They are often used for high-rise buildings, bridges, and other large-scale construction projects.

  4. Micro Pile Foundations Micro pile foundations are created by drilling a small diameter hole into the ground and filling it with concrete or grout. Micro pile foundations are typically used in situations where space is limited or access is difficult. They are often used for renovation projects, or for stabilizing existing structures.


Piled foundations are a critical component of many construction projects. Each type of piled foundation has its own unique features and advantages, making them suitable for a wide range of applications. Whether using driven piles, bored piles, screw piles, caisson foundations, or micro pile foundations, the key to a successful foundation is proper planning, design, and installation. By choosing the right type of piled foundation for the specific project requirements, builders can ensure a stable, secure, and long-lasting foundation for their structures.

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