Screw Pile Installation in Sydney: Understanding Screw Pile Foundation and Their Benefits
August 2, 2022The longevity of properties would normally depend on many things. One of these things is the quality of their foundation. With a strong foundation, buildings and structures are expected to stay stable and strong throughout their service life. The foundation, after all, provides the needed stability of property by distributing its weight over a large area.
One common type of foundation is the standard concrete foundation. This foundation type is done by excavating the area, installing the necessary footings and walls, waterproofing, installing the drainage pipes, backfilling, and pouring the concrete floor. The concrete foundation is being utilised by many contractors since it only requires less time and money. It can also provide enough protection from pests, gas leaks, and flood damage.
Some properties, however, may also maximise screw pile foundation. This type of foundation serves as a great alternative to project sites where concrete foundations are not feasible.
An Overview of Screw Pile Foundation
A screw pile foundation utilises screw piles in generating the foundation of a property. A screw pile would normally be comprised of a helix or a screw near the pile toe, allowing it to be screwed and installed into the ground stably by a hydraulic torque drive. Other parts of a screw pile are the shaft and a spicing collar. Now, if a project requires a higher load or encounters a softer ground, more helices must be specified and added to the pile to make it effective.
Screw piles used for this type of foundation would normally be made of hollow steel sections. While steel can be prone to corrosion, contractors often combat this issue by using sacrificial anodes and electric anodes.
Upon reaching the target depth, the screw piles are filled and served with concrete to place them effectively. The pile capacity is then extended through reinforcement, providing a stable and solid connection to the building structure or property above the ground.
Key Benefits of Screw Pile Foundation
There are many benefits associated to screw pile foundation.
One of the benefits of a screw pile foundation is it is easy to install. Compared to the standard concrete foundation, a screw pile foundation only takes a few hours for everything to be carried out and completed. Another benefit of this foundation type is it has a lower carbon footprint. The processes involved in installing a screw pile foundation do not emit greenhouse gases, which saves the environment, particularly the atmosphere, from irreversible damages.
Screw pile foundation can also be advantageous to property owners as it can be installed in various types of soils. It can even work well in areas where earthquakes are prominent. These benefits may not apply to concrete foundations as they can easily get damaged when strong ground movement occurs. Screw piles can likewise be installed despite having other structures near the construction area.
Requirements for Screw Pile Foundation
A screw pile foundation can be installed properly if basic engineering requirements have been designed or met. A building plan, for instance, must be generated to know the number of piles needed for the project. Another requirement for a screw pile foundation is the right soil type. Design loads must also be determined as they can impact the helix size and shaft type.
We welcome all enquiries about screw pile foundation installation, you can call us at 02 9516-5093.
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