Helical piles, which are sometimes referred to as helical piers, helical anchors, and posts, are a screw-in pile used to build deep foundation systems and ground anchoring systems. A helical pile consists of a central shaft (circular or square) and a helix plate(s). The helix plates which are press-formed with a predetermined pitch to resemble a screw are welded to the shaft. They are fabricated in various sizes and configurations to meet different types of loading and logistical requirements. The size and configuration of a helical pile is based on the design load the pile will carry, the existing soil conditions, the corrosiveness of the existing soils and the service life of the structure.
A helical piers is like a big screw with a shaft and bearing plates. Soil conditions and loads determine the necessary depth of the pier and diameter of the helixes, or bearing plates. Helixes are only found on the lead section of the pier, and extensions are added when needed to drive the pier deeper. Bearing capacity can be verified by the amount of torque required to drive the pier during installation. At the top of the pier is a cap to which various heads can be attached. Usually welded to the cap or somewhere along the shaft, the head may be a bracket that can be bolted to a foundation, like the ones shown here, or it could be a base for a deck post, for example.
Advantages
Since helical piers are designed with helices much like a screw, they can be driven deep into the ground below by using hydraulic machinery to increase the load bearing of heavy structures and bearing capacity of foundations.Except in cases of foundation retrofit that may require exposing footings, there is no excavation required to install helical piers. That means there is no hauling of spoils either. Additionally, the cost of concrete, spillage and the delays while it cures are avoided.
Because of their adaptability for an array of project types, you will also find that they cut down on pre-construction planning and prep activities. All of these factors taken together mean helical piles are an exceptionally economical solution for ground support and retention.
It is clear that compared to concrete foundations, the installation of helical piers almost completely eliminates site damage and cleanup costs. Additionally, fuel costs associated with concrete are significantly reduced.
Another immediate environmental benefit is that pier installation produces minimal vibration, which is critical in sensitive areas or when you are working close to occupied buildings.
Helical piles have another significant environmental advantage. Even years after installation, they can be easily removed if necessary and reused on other projects.
1.Compatibility With All Type Of Structures.
2. Foundation Solution - Concrete Free.
3. Surrounding Areas Remains Unspoiled.
4.Easy Remove Simple And Easy To Relocate.
5.Fast installation and immediate load-bearing capacity.
6.Ideal for limited access sites.
7.Pre-engineered and easily modified on site.
Application
For commercial buildings, homes and industrial sites located anywhere from the mountains to the sea, helical piles are often the most practical, durable and cost-effective solution for support and retention projects.
In new construction, helical screw piles are used for decks over earth or water, pedestrian bridges, and boardwalks. You will find them indispensable for beachfront projects such as seawalls, bulkheads, pipe anchors or boat moorings as they can penetrate the water bottom through sand and silt. They are ideal for towers plus signage and lighting supports too.
Photovoltaic screw ground pile can reduce the cost of the foundation of the support system, shorten the installation time, and reduce the environmental impact of the ground photovoltaic support system. As a quick and cost-effective solution, it is applicable to all major solar photovoltaic, wind energy and construction industries. Its high load performance, stability, settlement resistance and pull-out resistance are the reasons for its rapid development.
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