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HelCor

Helically corrugated metal pipes

Versatile solutions for culverts and underground passages

HelCor® are helically corrugated steel pipes that are a popular solution for culverts and underground passages. They can be buried at the depth of over 30 meters and withstand rough conditions for decades. Comparing to its concrete alternatives, HelCor® is lighter, eco-friendlier and more economical.

Contact us
John Doe

Sales representative
+558 2566 587

John Doe

Sales representative
+558 2566 587

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Features and Benefits

Fast and simple installation
 

A new bridge in weeks or even days! A bridge around 55 meters long and 7 meters wide takes only 12 days to assemble. That is why Acrow ® is a popular choice during road works, natural disasters and facility failures.

 
Suitable for extreme temperatures

The installation is possible in various weather conditions, both cold and hot. The pipes will tolerate the range from -50°C to +50°C.

Hydraulic efficiency
 

In addition to the circular section, it is possible to produce the pipe-arch shape that decreases the pipe rise and increases the pipe span. For the same water level, the pipe-arch shape has 65-100% more water flow capacity than a round pipe with the same rise.

Long service life
 

The steel of HelCor® structures is protected against corrosion by hot dip galvanizing. It ensures a lifespan of over 100 years. When properly implemented, these pipes do not need any special care. 99% of maintenance would consist of surface renovation 3-4 times a century.

Durability in aggressive environments

The high-strength steel, corrosion protection, and a simple structure all ensure the longevity of the HelCor® structures. The pipes could be designed either as continuously hot dip galvanized or with an additional 300 μm polymer film (TrenchcoatTM or W-ProtectTM) on one or both sides, in an environment with increased corrosive aggressiveness.

Eco-friendly material
 

CO2 emissions, energy and water consumptions are significantly lower to produce steel as opposed to concrete. Steel is also environmentally friendly as it is 100% reusable. Finally, the quick installation of the pipes means minimal pollution of the area.

Applications

  • Roads and railway culverts

  • Underground passages

  • Ecological passages
  • Hydrotechnical structures

  • Relining of deteriorated structures

Properties

  • Produced diameters: 200 mm – 3600 mm

  • Length: tailor-made, commonly 6-8 m

  • Load capacity: can withstand any live load classes

  • Corrugation types: from 68 x 13 mm

  • Steel coil thickness: 1.5-3.5 mm

  • Steel grade: from 250 MPa (Re)

  • Material: cold formed helically corrugated steel

  • Painting system/corrosion protection: accurate, depends on the class of the environment aggressiveness

  • Available shapes: circular, pipe-arch (closed), arch (open)

  • Certification: EN 10346

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