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HELICAL DISPLACEMENT PILES

Helical Pile Applications

A helical displacement pile is a reinforced concrete pile, which is used in construction and geotechnical engineering. Soil is displaced radially as well as vertically as the tooling is screwed into the ground. No spoils are generated while creating the cavity for the pile. The Helical tooling delivers the pipe to the depth required for the specified capacity. It is then retracted while the void is filled with concrete. The helical tooling forms a helical spiral in the soil for the concrete and rebar. This increases the frictional capacity while reducing the amount of concrete needed. Helical displacement piles are well suited to loose granular soils 

 Applications

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Advantages

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EBS GEOSTRUCTURAL'S

BUILD ON Approach

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At EBS, we have a passion for construction. We live for the challenges associated with today's construction environment. Sites with poor soils, redevelopment of sites, limited access, and adjacent structures. Our team includes structural and geotechnical engineers you can work alongside to design or re-design for the most effective solution for your project.
 

We blend proven technologies and techniques to push projects forward, sometimes in novel combinations.
 
Our experienced field staff work closely with our in-house engineering team to develop solutions to site challenges.
 
Our experience lets us quickly evaluate your project and outline solutions, options, suggestions and budget pricing.

BUILD ON our  Communication  |  Integrity  |  Growth  |  Teamwork  

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HELICAL DISPLACEMENT PILE INSTALLATION
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Step1.

A key feature of the Helical Displacement Pile system is its helical, screw-like drilling tool. This tool drills into the ground while displacing soil laterally, similar to the action of a screw. This method reduces soil disturbance and eliminates extra spoils. As the pile is installed, the surrounding soil is compacted, increasing its density and load-bearing capacity. This makes the Helical Displacement Pile system particularly effective in loose or granular soils.

 

Step2.

When design depth is reached, the rebar cage is dropped into the hollow shaft of the helical tooling dislodging the sacrificial tip preparing the way for the concrete.

 

Step3.

Concrete is pumped down the shaft and into the void created as the tooling is retracted.  This forms the helical ribs of the displacement pile. This unique design increases frictional capacity and reduces the amount of concrete needed  up to 30%.

 

Step4.

The completed Helical Displacement Pile is ready for termination in the pile cape or grade beam

Helical Displacement PileS

Capacities from 1000 kN to 3000 kN

Tight access/low headroom

No Spoils/Vibration

Can be installed in close proximity to existing structures

Engineered pad not required

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HELICAL DISPLACEMENT PILE TERMINATION
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Rebar is set into the concrete of the Helical Displacement Pile to tie the pile into the gradebeam or pile cap as specified.

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HELICAL DISPLACEMENT PILE  COMPONENTS
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