POLMEK Group

HEAVY STEEL STRUCTURES

Heavy Steel Structures are steel structural systems used in large scale projects such as high rise buildings and industrial facilities where wide spans are required. POLMEK Group, within this scope, manages all processes from project design to production, from on site assembly to delivery with a project based engineering approach. Each structure is prepared in compliance with quality standards and norms, manufactured with high-precision production techniques.

What We Do

• Project specific heavy steel fabrication

• Large span and medium and high rise buildings steel structures

• On-site installation and erection services

• Structural design and load-bearing system optimization

• Painted or galvanized surface treatments.

• Quality control and sizing inspection processes

• Site coordination and installation process management

STEEL GRADES & MATERIAL PROPERTIES

Commonly used steel grades and properties include:

•  S235 / S275
•  S355 (S355JR / S355J2)
•  S355J2 / S355J2+N
•  S355M / S420 / S460

•  High-strength structural steels (upon request)
Used for long spans and high-load applications, enabling optimized section sizes and reduced structural weight.

•  Excellent weldability and formability
Suitable for complex welded assemblies and heavy section fabrication.

•  High fatigue and impact resistance
Designed to perform under dynamic loads, vibrations, and demanding industrial conditions.

•  Surface treatment compatibility
Suitable for corrosion protection systems such as painting and galvanizing, depending on environmental exposure.

Steel and Material selection is carried out in accordance with international standards and project specifications.

PRODUCTION CAPABILITIES

It manufactures heavy steel structural elements using high-precision production technologies.

Scope of Manufacturing:

• CNC plasma and oxy-fuel cutting

• CNC drilling and machining

• Fabrication of heavy-section steel members

• Welded connections

• Bolted connection details

• Production suitable for surface preparation and protective coating

Each stage of manufacturing is carried out in accordance with project requirements, ensuring specified dimensions, tolerances, and quality control procedures.

ENGINEERING AND DESIGN CAPABILITY

•  Structural analysis and static calculations
•  Connection design (welded and bolted connections)
•  Shop drawings and fabrication drawings
•  3D modeling and BIM / Tekla Structures solutions
•  Design in compliance with international standards (EN / Eurocode)
•  Construction methodology and site installation planning support
•  Fabrication tolerances and joint detailing

INSTALLATION SERVICE

International installation and erection services are provided for heavy steel structures, delivering reliable and efficient on-site applications worldwide.
All works comply with international standards and safety regulations.

On-site installation services

  Medium and large scale steel construction installation
  Heavy duty lifting and placement operations
Site assessment and project planning
  Welded and bolted field joints
  Work safety and field coordination

STATIC ANALYSIS

• Load calculations: Wind, snow, seismic, and operational loads
• Deformation and strength limits
• Connection details: Bolts, welds, special joints
• International standards: EN, ISO 9001

AREAS OF APPLICATION

High rise buildings
Airport Terminal Buildings and Hangars
Cement factories and industrial process plants
Power generation facilities
Steel and metallurgical plants
Large-span industrial buildings
Warehouses
Logistics centers and warehousing facilities
Residential projects

Production ▼

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Instaliation▼

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Advantages of Steel Structures▼

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Custom Steel Design▼

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Heavy Steel ▼

Heavy steel structures are load bearing systems designed for industrial and large scale projects using high quality structural steel. These systems provide safe and efficient solutions for buildings requiring high strength and wide spans.

The process consists of engineering design, static calculations, detailed structural steel design, fabrication, and on site assembly stages. Structural steel elements are manufactured with precise tolerances in accordance with project requirements and assembled on site.

Heavy steel systems are used in various applications such as industrial facilities, high rise buildings, hangars, warehouses and logistics buildings, bridges, roofing and space frame systems. Each project is developed with a customized engineering approach based on load bearing capacity and structural performance criteria.