What You Need to Know About Screw Piles
A type of foundation that is deep and can be quickly installed without too much vibration and noise is called screw piles. With regards to screw piles they are secured in the ground, just like the screws that are attached well into wood. Along with its mechanism for dispersing loads, the use of screw piles is an efficient method of installation since it can provide an effective in-ground execution for a range of soils that includes zones for earthquake with liquefaction possibilities.
There are different kinds of earthmoving equipment that are attached with rotating hydraulics which are used to install screw piles. The different machineries involved can include skid-steer loaders and excavators that is 5 up to 80 tons in weight. On top of that, the custom fit of turning hydraulic powerheads that includes a torque capacity even ranges somewhere between 5,000 Nm up to 500,000 Nm is through the use of different boom configurations. With the use of special drive attachments, the screw piles becomes connected to these machineries. The installation of screw piles can be done correctly if you will utilize proper installation techniques that can help meet the engineered design load and the settlement outcomes. It is important for you to know that using improper techniques will most likely result in having a poor performance when it pertains to the pile it is handling.
Circular sections of hollow steel that includes one or more helices that are attached made up the pile. Instead of auguring through the soil, screw piles are cut into it by following a continuous pitch. When it comes to the design of helical flights, as well as helical shafts, they are made to fit the ground conditions.
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After the pile reaches the depth required, it will permanently remain in its place and it will even be filled with concrete. Protruding reinforcements are responsible for providing a connection on the above structure of the building, and in some cases, it also increases the pile’s capacity.
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The installation of screw piles into the ground needs the help of large torques and these torques uses highly powerful hydraulic motors for the process. Furthermore, the motors that are used for it are fastened into handling machines that have various sizes.
The foundations made of screw piles are utilized extensively and their usage includes telecommunications, lighthouses and rails, several industries that needs fast installation, roads, and other building works that takes place close to these existing structures.
Other than the fact that it has reduced environmental impact, the use of screw pile foundations can also help people save a lot of money for the reason that it is cost efficient.