Concrete Steel Fibers with Different Length Rate 3mm ...

Concrete Steel Fibers with Different Length Rate 3mm

To achieve a high-quality concrete mix, it's essential to understand the proper techniques for integrating steel fibers into the material. Start by placing sand and stones into the hopper. While adding this mixture, incorporate an appropriate quantity of loose steel fibers along with the cement. Once the sand, stones, steel fibers, and cement have been combined in the mixing table, dry mix for two minutes, then gradually introduce water and continue mixing for an additional two minutes. Note that if you are using glued steel fibers, they should be added after the water is mixed in to ensure proper dissolution of the glue.

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Straight Steel Fiber for Concrete Reinforcement

Steel fibers, typically ranging from 0.3 to 1.1 mm in diameter and from 15 to 50 mm in length, serve as a crucial component in reinforcing concrete and can replace traditional steel mesh.

Advantages of using steel fiber include:

• Significantly enhancing resistance to cracks and deflections;
• Excellent adhesion to concrete;
• Improving impact strength;
• Increasing water resistance;
• Enhancing shrinkage behavior;
• Strengthening corners and edges;
• Prolonging the service life of structures;
• Ease of use.

Economic Benefits of Steel Fiber Use:

• Reduction in coat thickness;
• Lower labor costs;
• Reduced construction time;
• Simple manual and machine installation.

Diameter of Fiber (A), mm

Length of Fiber (B), mm

0.3 ± 0.05

15 ± 5

0.4 ± 0.05

20 ± 5

0.5 ± 0.05

25 ± 5

0.6 ± 0.05

30 ± 5

0.7 ± 0.05

35 ± 5

0.9 ± 0.05

50 ± 5

If you're interested in learning more, we encourage you to visit our website to explore Crimped Steel Fiber.

1.0 ± 0.05

50 ± 5

1.1 ± 0.05

50 ± 5

The tensile strength of fibers derived from high carbon wire reaches a minimum of MPa (N/mm²). Packaging is typically in corrugated boxes of 20 kg or on pallets of 720 kg.

Instructions for Fiber Use

To produce fiber-reinforced concrete, one should use a traditional mix consisting of sand, cement, both coarse and fine aggregates, along with water, to which the designated fiber is added. Achieving uniform fiber distribution in the concrete matrix is paramount; fibers should be gradually mixed in to prevent clumping known as "hedgehogs." Methods for incorporation include:

1. Adding fiber directly into a truck mixer at the construction site, mixing for 3-5 minutes at maximal speed before unloading;
2. Introducing fiber onto a plaster and concrete unit during the mixing process.

Typical fiber consumption varies by concrete's intended properties:

• Industrial floors require 20-40 kg/m³;
• Residential frameworks need 25-50 kg/m³;
• Outer constructions without protective coating demand 40-120 kg/m³;
• Transport constructions necessitate 50-100 kg/m³.

Floor Thickness

Advisable Diameter of Fiber

45-70 mm

0.3-0.4 mm

70-120 mm

0.5-0.6 mm

120 mm and over

0.7-1.1 mm