POLMEK Group

STRUCTURAL STEEL

" We Manufacture Durable Structures with Expert Solutions and Quality "

In the modern construction industry, steel construction systems are increasingly preferred due to their numerous advantages. Steel structures provide safe, durable, and long-lasting solutions while being lightweight yet highly resistant. With their high load-bearing capacity and flexible design possibilities, they serve as an ideal structural system even for projects requiring large spans.

Widely used in industrial, commercial, and residential projects, steel construction systems enable efficient assembly, reducing construction time. Prefabricated components minimize on-site errors and speed up project completion. Their modular design adapts to various dimensions and requirements.

Additionally, steel materials are 100% recyclable, supporting sustainability. Steel systems enhance energy efficiency, align with sustainable building practices, and have low long-term maintenance costs, making them a cost-effective investment. When coated for fire and corrosion resistance, they ensure reliable performance.

STEEL STRUCTURE TYPES

Steel structure types are typically classified based on the types of steel used, the type of structure, and its intended purpose. These categories vary according to structural requirements and the application areas. The types of steel structures are as follows;

Truss Structure: Trusses are lightweight yet strong beams made of small cross-section rods arranged in a hollow design. They offer high bending resistance, minimal deflection, and can span large distances. Common configurations include triangles, rectangles, trapezoids, and arches. They are widely used in roof systems, factories, exhibition halls, and bridges.

Arches and Shell Structures: These structures consist of curved plates with excellent load-bearing capacity. They can span large areas without intermediate supports, serving both as load-bearing and enclosing elements. Their lightweight yet durable design ensures material efficiency. Common applications include roofs, industrial structures, cooling towers, and storage tanks.

Portal Steel Structure: A durable and cost-effective system made of steel beams and columns. Its simple design allows for easy manufacturing, quick assembly, and lower costs. It is commonly used in factories, warehouses, offices, supermarkets, and public buildings. Advantages include efficient force transmission, safety, and durability.

Space Frames: These are spatial bar systems where load-bearing elements are connected through nodes. They offer high seismic resistance and are easy to assemble due to prefabrication. They are ideal for sports halls, theaters, exhibition centers, and large-span roof structures. Despite being lightweight, they provide excellent strength.

Hybrid Steel Structure: A combination of steel and concrete that provides high strength and flexibility. Shear walls and frame systems allow for carrying large loads efficiently. They are commonly used in public buildings, industrial facilities, and high-rise residential projects. These structures ensure durability and long service life for complex architectural designs

BASIC COMPONENTS OF STEEL STRUCTURE

Basic components ensure the durability, safety and longevity of steel structures. Depending on the purpose of the structure, additional components may also be included.

1. Load-Bearing System Elements

• Columns: Vertical load-bearing elements that transfer vertical loads to the foundation.
• Beams: Horizontal load-bearing elements that distribute loads between columns.
• Slabs and Floors: Horizontal structural components that transfer floor loads to beams.

2. Connection Elements

• Bolts: Used to connect steel components.

• Welded Connections: Fusion-welded joints used to join steel elements.

• Pins and Rivets: Special fasteners, though rarely used in modern construction.

3. Stability Elements

• Bracings (Diagonals): Enhance the structural rigidity, especially against wind and seismic loads.

• Buckling-Resistant Elements: Additional support elements that prevent columns and beams from buckling.

4. Foundation System

• Reinforced Concrete Foundation: Used to transfer the loads of the steel structure to the ground.

• Steel Anchor Plates: Ensure a secure connection between steel columns and the foundation.

5. Cladding and Protection Elements

• Roof Cladding: Used to protect the steel structure from external weather conditions (e.g., metal sheets, sandwich panels).

• Facade Cladding: Exterior surface materials for aesthetics and insulation.

• Corrosion Protection (Painting, Galvanization): Surface treatments applied to protect steel structures from rust.

QUALITY CONTROL

The production process begins with the careful selection of the most suitable steel materials for the project. Quality control is ensured through comprehensive inspections and tests at every stage of the process, and all activities, from material selection to workmanship and assembly quality, are carried out meticulously and in accordance with established standards.

• Lofting and Numbering

• Cutting and Smoothing

• Shaping and Edge Processing

• CNC Machining

• Hole Drilling and Welding

• Component Assembly and Pre-Assembly

• Round Pipe Component Processing

• Quality Control

• Shipment:

STEEL STRUCTURE INSTALLATION

After the production process, which is carried out according to your project's drawings, if you do not have an installation team, we offer installation services with our expert team. Our company, which provides steel structure installation services worldwide, combines experience and sector-specific knowledge in all types of projects.

When installation is requested, our expert team works to complete your projects on time and in accordance with high-quality standards. Thanks to our extensive experience, we provide reliable and efficient solutions for steel structure installation of any scale.

STEEL STRUCTURE CUSTOMIZATION

Steel structures can be tailored to meet the specific needs of each project. To provide the most suitable solutions for your needs and project requirements, we customize the design and production processes of steel structures. By considering project scale, intended use, and environmental factors, we ensure maximum efficiency and safety in every detail.

The steel structure customization process includes the following elements:

• Custom Designs and Solutions

• Material Selection

• Custom Dimensions and Modifications:

• Calculations and Planning

• Customization for Installation and Assembly Needs

ADVANTAGES OF STEEL STRUCTURES

Steel structures are widely preferred in the construction industry due to their many advantages. Here are the key benefits of steel structures:

• High Strength and Durability

• Fast and Easy Construction

• Wide Open Spaces and Flexible Design

• Earthquake and Harsh Condition Resistance

• Long Lifespan with Coating Options

• Dismantlable and Recyclable Material

• Easy Maintenance and Longevity

STEEL GALVANIZED COATING AND PAINTING

Steel products are made long-lasting and durable through galvanizing and painting. Galvanizing provides strong corrosion resistance, increasing structural durability, while painting adds aesthetic appeal and an extra protective layer against environmental effects. These processes ensure resistance to external conditions and efficient use for many years.

Advantages:

• Corrosion Resistance: Galvanized coating protects steel from moisture, air, chemicals, and other external factors.
• Long Life: Painting and galvanizing extend service life and reduce maintenance costs.
• Aesthetic Appearance: Painting offers visually appealing finishes with various color options.
• Low Maintenance: Coatings minimize maintenance frequency and effort.
• Environmental Resistance: Steel becomes more resistant to weather and external impacts.

Situations Requiring Galvanizing and Painting:

Corrosion-Prone Environments: Protection is essential in coastal areas, industrial zones, or chemical exposure.
Outdoor Use: Coatings help steel withstand sun, rain, wind, and temperature changes.
Aesthetic Needs: Visible steel structures may require color and texture harmony with surroundings.
Long-Term Durability: Galvanizing and painting slow deterioration and extend lifespan.
Chemical Exposure: Protective layers prevent chemical damage.
Maintenance Efficiency: Reduced maintenance lowers long-term costs and improves performance.

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POLMEK Group is a global construction company and experienced contractor delivering turnkey steel construction, commercial construction, and industrial construction services with in-house manufacturing and on-site installation. As professional builders and general contractor specialists, we integrate advanced civil engineering, structural engineering, and precision construction management to execute complex steel frame construction, metal construction, heavy steel construction, and light steel construction projects for modern facilities.

Our expertise includes the production, fabrication, and installation of heavy steel structures, light steel systems, truss construction, warehouse construction, and prefabricated construction, supported by high-performance steel building contractors services and integrated building services. With strong capability in industrial steel building manufacturing and erection, POLMEK delivers durable, efficient, and scalable solutions for global construction and infrastructure projects.