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Micro Steel Fiber
Micro steel fiber, also known as copper-plated micro wire steel fiber, is a critical reinforcing material used in reactive powder concrete (RPC) and other high-performance concrete applications. As an advanced metallic fiber, it significantly enhances the mechanical properties of concrete, providing exceptional tensile strength, flexural resistance, and durability.
Key words:
Micro Steel Fiber
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Description
Rpc Micro Steel Fiber
Copper-plated micro-wire steel fiber is an important part of reactive powder concrete. RPC has a new type of material with ultra-high strength, high toughness, high durability, and good volume stability. It is a high-tech concrete composed of materials and fiber reinforced materials. Copper-plated micro-wire steel fiber is mainly used for high-speed railways, RPC cover plates and important engineering components. It has high tensile strength, abrasion resistance, crack resistance, bending resistance, fracture resistance, and impact resistance.
Application field:
1.Highway bridge 2.Hydraulic dam 3.Railway sleepers 4.Port and Ocean Engineering 5.Tunnel and mine engineering
6.Pipeline engineering 7.Other construction projects
Construction suggestions:
The amount of steel fiber can be 30-80kg/m³ for road construction and 50-100kg/m³ for bridge construction.
Steel fiber concrete mixing technology: The construction is carried out as usual without special adjustments.
Micro steel fiber, also known as copper-plated micro wire steel fiber, is a critical reinforcing material used in reactive powder concrete (RPC) and other high-performance concrete applications. As an advanced metallic fiber, it significantly enhances the mechanical properties of concrete, providing exceptional tensile strength, flexural resistance, and durability. The copper-plated surface improves bonding performance with the cement matrix while offering superior corrosion resistance, ensuring long-term stability in harsh environments.
This high-strength micro steel fiber is widely applied in RPC structures that demand extreme load-bearing capacity and crack control. It effectively improves the concrete’s toughness, abrasion resistance, and impact resistance, preventing micro-cracks from propagating and extending the service life of concrete components. With its uniform dispersion and strong adhesion, it enhances both compressive and bending strength, making it ideal for structural elements requiring enhanced ductility and fatigue resistance.
Application Fields: Micro steel fiber is extensively used in highway and bridge construction, hydraulic dams, high-speed railway sleepers, port and marine engineering, tunnel and mining projects, as well as various types of pipeline and foundation works. Its excellent performance ensures reliable reinforcement in critical infrastructure and industrial construction.
Construction Recommendation: The recommended dosage of micro steel fiber is 30–80 kg/m³ for road projects and 50–100 kg/m³ for bridge structures. It can be added directly during concrete mixing without altering standard procedures, ensuring ease of use and uniform dispersion throughout the mix.
With ultra-high tensile strength, excellent crack control capability, and enhanced durability, micro steel fiber is an indispensable reinforcement material for modern high-performance concrete and reactive powder concrete applications.
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