Helical piles cover a diverse range of function when
developing heavily-loaded and medium-loaded permanent structures. The final foundations
are subjected to extensive tension and compression. Helical screw piles turns up
to be an effective solution for multiple design challenges.
The
benefits of using this new technique for pedestrian bridges are way more than
the traditional construction technologies.
Quick
and vibration-free installation– Helical anchors are easy to install even in difficult terrain and
sensitive soils. It can be installed with the aid of handheld equipment without
drill spoils or soil excavation dumped aside. Installation of screw-piers-screw piles is possible
within a limited-access area that too in any weather conditions.
Strength
and capacity – Bearing
capacity of screw anchors are higher than the conventional piles even if their
lengths are identical. The screw piers produce their load capacity from the
flat areas of helical plates that are in contact.
Extensive
resistance power –
Helical anchors are extremely resistant to frost heave and are feasible for a wide range of soil conditions. Its effective in-ground
strength in earthquake zones is the most significant advantage among the
others. Screw piers remain unaffected by the groundwater and caving soils.
Huge
protection against corrosion –
The materials of screw piles is typically galvanized to expand its lifespan in
aggressive environments. Special coatings on the helical anchors can also be
provided if circumstances require extensive corrosion resistance.
Noiseless
erection – Installation
of helical piles produce much less noise than that of the driven piles. These
improvised screw piles also minimize the ground vibration during its erection.
Helical pile foundations are extremely environment friendly than the other deep
foundations.
Cost
effective foundations –
Helical Pile constructions can be done in a lower initial outlay. These
foundations are possible to relocate and reuse later and are more sustainable
that makes the project cost effective.
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