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What is Construction Steel Fiber and Why Do We Use Them?

Author: Doreen Gao

Feb. 24, 2025

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What does steel fiber do in concrete?

Steel fibers are commonly used as a reinforcement material in concrete to enhance its mechanical properties and performance. When added to concrete, steel fibers act as a secondary reinforcement to improve tensile, flexural, and shear strength. There are other options in the market such as synthetic macro fibers, which are a type of reinforcement used in concrete to enhance its mechanical properties and performance. To better understand how adding steel fibers can be the best choice for your construction project, keep reading.

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Benefits of steel fiber reinforced concrete

Here are some key roles and benefits of steel fibers in concrete:

  1. Crack control: Steel fibers help control the formation and propagation of cracks in concrete. By distributing throughout the concrete matrix, the fibers resist the development of small cracks and limit their growth.
  2. Tensile strength: Concrete is strong in compression but relatively weak in tension. Steel fibers enhance the tensile strength of concrete, making it more resistant to cracking and improving its overall durability.
  3. Flexural strength: The addition of steel fibers increases the flexural strength of concrete, making it better able to withstand bending and other types of deformation.
  4. Impact resistance: Steel fibers enhance the resistance of concrete. This is crucial in applications such as industrial floors, pavements, and precast concrete elements that may be subjected to impact loads.
  5. Ductility: Steel fibers contribute to the ductility of concrete, allowing it to deform without complete failure under certain loads.
  6. Fatigue resistance: The use of steel fibers improves the fatigue resistance of concrete, making it more capable of withstanding repeated loading cycles without developing significant damage or deterioration.
  7. Temperature resistance: Steel fibers can improve the resistance of concrete to elevated temperatures and fire. The presence of steel fibers can help prevent spalling and maintain the structural integrity of the concrete during exposure to high temperatures.
  8. Abrasion resistance: In applications where concrete is subjected to abrasion, such as industrial floors, steel fibers can enhance the resistance of the concrete surface to wear.

Uses of steel fiber reinforced concrete

Steel fibers are commonly added to concrete to enhance its mechanical properties and overall performance in various applications. Here are some specific uses of steel fibers in concrete:

  1. Industrial floors: Steel fibers are used to improve the durability and resistance of industrial floors, which often experience heavy traffic, loads, and potential impacts from equipment.
  2. Pavements and road construction: Steel fibers help control cracking and increase the tensile strength of concrete in pavements and road construction, improving the overall performance and longevity of the structures.
  3. Tunnel linings: Steel fibers are added to concrete used in tunnel linings to enhance crack control, flexural strength, and overall structural integrity, especially in environments with high ground movement.
  4. Precast concrete elements: Steel fibers improve the flexural and tensile strength of precast concrete elements, such as panels, beams, and pipes, contributing to their structural performance.
  5. Shotcrete applications: Steel fibers are commonly used in shotcrete applications, such as slope stabilization, tunnel construction, and repair work, to provide rapid and durable structural solutions.
  6. Bridge decks: Steel fibers enhance the durability and resistance to cracking in concrete bridge decks, where the structure is exposed to dynamic loads, environmental factors, and potential aggressive agents.
  7. Airport runways: Steel fibers contribute to the impact resistance and overall durability of concrete in airport runways, which need to withstand heavy aircraft loads and potential impacts.
  8. Seismic-resistant structures: Steel fibers are used in seismic-resistant structures to provide additional ductility and energy absorption, helping the concrete withstand the dynamic forces associated with earthquakes.
  9. High-performance concrete: In applications where high-performance concrete is required, such as in advanced engineering projects, steel fibers enhance the material's strength, durability, and resistance to various stresses.
  10. Industrial and warehouse floors: Steel fibers are added to concrete in industrial and warehouse floors to improve abrasion resistance, reduce cracking, and enhance the overall durability of the flooring.
  11. Underground structures: Steel fibers are used in the construction of underground structures, such as subway tunnels and utility tunnels, to provide additional strength and crack resistance.
  12. Waterfront structures: In marine environments, where structures are exposed to corrosive elements, steel fibers with corrosion-resistant coatings are used to improve the durability of the concrete.

How can Mid-Continent Steel and Wire provide steel fiber solutions?

Steel fiber concrete mix can benefit your construction projects in many ways. Our high-strength steel fibers are filaments with hook ends used as reinforcing steel in concrete structures such as industrial floor and pavements, shotcrete, and precast elements. Made of low carbon wire, our steel fibers has a polished and bright finish. Its length and diameter will depend on the required application.

  • Designs: P50-100 , P50-75 , L33-55 , L33-75
  • Units: 20 kg Box and 1,200 kg Polypropylene Bag
  • Uses and Applications: Precast, shotcrete, industrial floors, concrete slabs, seamless floors
  • Made With: Polished Cold Drawn LC Wire
  • ASTM: A-820, ISO-, EN -1

Its material properties and strain capacity can support structures and provide load stability for any project.

Why Do You Need Steel Fiber Reinforced Concrete for Industrial ...

Industrial floors are usually exposed to heavy foot traffic, stacked loads, heavy tanks, and constant heavy equipment movement. 

Have you ever wondered how some industrial floors last longer and perform better even in these extreme conditions? 

A survey report says industrial settings typically install a concrete-grade slab with reinforcement in the upper one-third layer to manage these loads and prevent damage. However, this method fails to work effectively through the slab. That's when they prefer steel fiber concrete reinforcement for industrial flooring.

What is Steel Fiber Reinforced Concrete?

Steel fiber reinforced concrete (SFRC) is a composite material prepared to transform industrial floors. The components used in this mixture are hydraulic cement, fine or coarse aggregates, and steel fibers. These steel fibers appear in small and discrete lengths of steel, randomly distributed and uniformly dispersed in the concrete mixture. 

Applying this mixture at the bottom of the slab can enhance floor structural properties, withstanding cracks and loads in various stress conditions. 

Benefits of Steel Fiber Concrete Reinforcement on an Industrial Floor

The following are the compelling reasons why industrial environments require this reinforcement. 

The company is the world’s best Construction Steel Fiber supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Better Crack Control: One of the significant reasons industries prefer installing SFRC is its ability to control cracking. In old-school concrete flooring techniques, the surface often experiences cracks, which eventually, affect the structural integrity. By introducing steel fibers, you can hide these cracks and make the floor stronger to prevent further damage or widening.  

Enhance Flexural Strength: Cracks, even after a repair, can reduce the floor strength to a great extent. However, it would not be the case if you mix steel fibers into the floor coating mixture. It improves the post-crack flexural strength of the surface and its load-bearing capacity. In other words, the fiber reinforced concrete maintains floor aesthetics and functional quality, extending the lifespan of the floors. 

High Impact Resistance: Impacts are common on industrial floors. These can be due to the constant movement of heavy machinery, vehicles, and dropped tools. The reinforcement mechanism with steel fibers enhances the floor's ability to resist these impacts. In this process, the mixture absorbs and distributes the energy from impacts more effectively than any standard concrete. It ensures that the floor requires fewer repairs and minimal maintenance. 

Greater Durability: SFRC distributes loads more evenly than standard concrete flooring. As a result, it reduces the chances of cracks and fractures, improving the surface durability and strength. It is one of the reasons businesses find this an ideal choice for their industrial space. 

Improve Joint Performance: Due to the uniform distribution of steel fibers, you won't witness cracks in the concrete surface. These fibers reduce the risk of joint failure and simultaneously, increase the floor's capability to withstand heavy loads and frequent traffic.

Streamline Construction Process: Reinforced concrete does possess exceptional properties and characteristics. But apart from this, the simplified construction process is another compelling reason that makes SFRC an ideal choice. This conventional reinforcement process eliminates the need for welded wire fabric and, in turn, reduces the complexity involved during construction. 

Final Takeaway

To conclude, steel fiber reinforced concrete flooring offers excellent durability and resistance to moments, energy absorption, and impact. However, its effectiveness depends upon the fiber type, the fiber content, and the length-to-diameter ratio. 

So, would you like to reconstruct your industrial floors using this reinforcement method? You can reach out to Sealwell, a leading industrial flooring contractor, that specializes in installing high-performing floors safely and effectively. Contact now.

SEALWELL INC

No' +1-844-443-

For more information, please visit Crimped Steel Fiber.

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