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HelCor

Corrugated  Steel Plates 

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 metres and withstand rough conditions for decades. Comparing to its concrete alternatives, HelCor® is lighter, eco-friendlier and more economical.

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Paul Rawcliffe

Business Unit Director
paul.rawcliffe@viacon.co.uk
+44 7715 068150

Helen Tomey

 Sales Office
helen.tomey@viacon.co.uk
+44 1744 452912

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Features and Benefits

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. 

Fast and simple installation

Installation time of HelCor® is much shorter than for its concrete counterpart. The light pipes are assembled in sections with a team of one trained supervisor and regular workers. One crane or just an excavator and basic tools will be sufficient for successful installation. A culvert of 80×3 m can be assembled in just 1 day. 

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. 

Durability in aggressive environments

The high-strength steel, corrosion protection, and a simple construction, all ensure the longevity of the HelCor® pipes system.

Eco-friendly

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.

HelCor® 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 

Applications

  • Roads and railway culverts

  • Underground passages  

  • Ecological passages  

  • Hydrotechnical structures  

  • Relining of deteriorated structures 

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    HelCor viacon eesti

    More information about corrugated steel plates

    When it comes to culvert pipes, corrugated steel plates offer a durable and versatile solution that stands the test of time. These stainless steel pipes, known as HelCor®, provide a reliable option for a variety of applications, including culverts and underground passages.

    Corrugated steel plates are engineered to withstand rough conditions and extreme temperatures, making them ideal for use in road and railway culverts, as well as ecological passages and hydrotechnical structures. Their flexibility allows for easy installation, even in challenging environments, and their long service life ensures minimal maintenance requirements.

    One of the key advantages of corrugated steel plates is their hydraulic efficiency. With the option to produce pipe-arch shapes, these pipes can accommodate greater water flow capacity compared to traditional round pipes, making them a preferred choice for culvert projects where maximizing water flow is essential.

    The durability of corrugated steel plates is unmatched. Protected against corrosion by hot dip galvanizing, these pipes have a lifespan of over 100 years and require minimal maintenance over their lifetime. This makes them a cost-effective and environmentally friendly option for culvert applications.

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