Features, Advantages and Disadvantages of Steel Structures

The structures of building carriers from steel materials and profiles, that is, a type of structures, is called Steel Structures. More than 40% of the structures built on the world are built using steel carrier systems. Steel structure systems are preferred in many important structures projects from buildings to bridges and skyscrapers.

What is Steel Structures?

Steel is one of the most used structures materials in the structures industry. The use of steel structures in current architectural projects is increasing day by day. In particular, the use of steel carrier systems in earthquake zones should gradually increase and be encouraged.

We see the application examples of structural steel as carrier systems in areas such as sports facilities, steel structures houses, light steel houses, bridges, and commercial buildings. Steel Structures Buildings are built by combining steel profiles (U profile, L profile, Angle brackets, etc.) with joining methods such as welding and bolting. Structures with a steel load-bearing system contain steel components on both their rough structures and exterior. Steel carriers manufactured in the factory are used for important building carrier elements such as horizontal beams and vertical columns. When it comes to the structures site, they are assembled by joining methods such as welding, rivets and bolts. Due to its high compressive strength, loads are transmitted from beams to steel columns to the ground, as in reinforced concrete structures.

Steel Structures Features

Structural steel applications are constructed from materials prepared in accordance with the sections found as a result of the steel structure design. Due to the fact that they are produced in a factory environment, steel structure components have certain chemical and mechanical properties. The most commonly used steel profiles are as follows;

  • L profile
  • Pipe profiles
  • Llamas
  • steel hair
  • Z profile
  • C profile
  • T profiles
  • steel bars
  • steel plates

Structures with steel carrier system have higher values ​​in terms of compressive strength and tensile strength compared to reinforced concrete. Structural steel is used in the structures of many residential and commercial buildings today, due to its high strength due to its building material properties.

Advantages of Steel Structures

There are many important reasons for choosing steel carrier systems. Reasons such as the importance of the economy in the structures sector, the developing architectural design language, the structures works to be done in earthquake zones are important factors in the preference of steel.

  • Steel is a relatively economical building material compared to other building materials.
  • It is fire resistant compared to wooden structures.
  • Due to its high strength values, it makes it possible to pass wide spans, especially by using steel ceiling beams.
  • It has certain standards because it is produced in a factory environment.
  • Compared to reinforced concrete, it is resistant to factors such as earthquakes, natural disasters, storms, rodents and moisture.
  • Its workmanship and assembly is easier and more controllable compared to reinforced concrete.
  • Steel structures material is an environmentally friendly and ecological material due to its properties.


All building materials used in the structures industry, all types of carrier systems, as well as steel structures house systems have disadvantages. The main disadvantages of steel structures materials are due to the properties of the building material, torsional moment, maintenance costs, and fire resistance.

  • Torsional moment is low.
  • Due to the fact that it is produced in the factory, it is not supplied or produced at the structures site, such as reinforced concrete.
  • Steel carries a high risk of corrosion. It should be regularly painted with anti-rust paints.
  • After a wrong calculation in the steel structure design, it cannot be intervened in the structures site. Hence,
  • Must be reproduced.
  • It has high thermal conductivity. It is resistant to fire compared to reinforced concrete.
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