Helical piers, also known as anchors, piles or screw piles, are deep foundation solutions used to secure new or repair existing foundations,a modern improvement to traditional cement footings. Each pier consists of an engineered steel post with screw-like helices. Helical pile is extendable base equipment which is made up of helical engineered metallic plates that are attached to a central steel shaft using a round or rectangular cross-section. The steel plate thickness, diameter, number, and helices operate are determined through the restricted or supported arrangement's minimal design life, the ecological rust, and geotechnical parameters, along with the design fill demands.
Helical piers, also known as helical anchors, piles or screw piles, are deep foundation solutions used to secure new or repair existing foundations. Due to their design and ease to install, they are most commonly used whenever soil conditions prevent standard foundation solutions. Instead of requiring large excavation work, they thread into the ground. Helical piers are round or square, tubular or bar steel shafts with round helix plates welded to them.
Ground screw system is a modern foundation system,using the drilling machine to install which makes it as the most efficient and cost-saving footing solution.
It can be widely applied to different soil conditions.
Ground screw appliation:
solar system;
timer-fram construction;
advertising and traffic systems;
urban garden and landscape construction;
flag poles and so on.
Screw anchor advantage:
Save time;
Easily assembled;
Save power;
Save money;
More environmental than Concrete Foundation method
1. Structural advantages
The spiral ground pile is driven underground in a revolving way, so the soil is not easy to loosen, and the soil conditions can be well used. According to the blade structure of the screw ground pile, it has good tensile pull-out force and insertion grip.
2. Simple and efficient
As a new type of foundation technology, spiral ground pile has many outstanding advantages, such as convenient construction, short period, little impact from the construction environment, no damage to the local environment, easy migration and recycling.
3. Low cost
Compared with formwork erection, rebar binding and pouring of concrete. Embedded anchor bars, curing, formwork removal, foundation soil backfilling and other procedures, the spiral ground pile only needs to be positioned and driven, and the material and labor costs can be saved.
4. All weather construction
It has little impact on the environment and can be constructed under most climatic conditions, such as rain, snow, freezing and other weather.
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