Carbon Fiber Rebar (CFRP)

CFRP rebar, lightweight and corrosion-resistant, outperforms steel rebar. Its high strength and versatility suit various construction needs, from bridges to buildings, marine structures, and infrastructure projects.

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Overview

Carbon Fiber Reinforced Polymer (CFRP) rebar, also known as carbon fibre rebar, is a high-strength composite material used as an alternative to traditional steel reinforcement in construction projects. It consists of carbon fibres embedded in a polymer resin matrix, typically epoxy. CFRP rebar offers several advantages over conventional steel rebar.

Firstly, CFRP rebar is significantly lighter than steel rebar, making it easier to transport, handle, and install on construction sites. This lightweight nature also reduces the overall weight of reinforced concrete structures, which can lead to cost savings in terms of construction materials and transportation.

Secondly, CFRP rebar exhibits superior corrosion resistance compared to steel rebar. Steel reinforcement is susceptible to corrosion when exposed to moisture and chemicals, leading to structural degradation and potential safety hazards over time. In contrast, CFRP rebar does not corrode, ensuring the long-term durability and integrity of reinforced concrete structures, particularly in harsh environments such as marine or industrial settings.

Additionally, CFRP rebar offers excellent tensile strength and modulus of elasticity, allowing for efficient load transfer and improved structural performance. This high strength-to-weight ratio enables the design of thinner and lighter concrete elements without compromising structural integrity, resulting in more economical and sustainable construction solutions.

Furthermore, CFRP rebar has low thermal conductivity, which reduces the risk of thermal bridging in reinforced concrete structures. This property helps minimise energy loss and improve thermal efficiency in buildings, contributing to energy savings and environmental sustainability.

Properties

  • Carbon fibre composite rebar utilisés carbon fibre as reinforcement and epoxy resin as the matrix, manufactured through pultrusion.
  • Offers high strength, corrosion resistance, and lightweight properties, enhancing structural performance.
  • Ideal for special engineering structures and reinforcement projects requiring durable and lightweight materials.
  • Provides superior durability compared to traditional steel reinforcement, particularly in harsh environments.
  • Suitable for a wide range of applications, including bridges, buildings, marine structures, and infrastructure projects.
Type CFRP
Diameter (mm) 4-26
Density (g/cm3) 1.6-1.8
Tensile Strength (MPa) 1800-2200
E-Modulus (GPa) 140-155
Elongation (%) 1.3-1.5
Coefficient of Thermal Expansion (*10-6/°C) 0
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Success Stories

The carbon fibre rebar we sourced proved to be a game-changer for our construction projects. Its exceptional strength and durability provided the reinforcement needed for robust structures, ensuring long-term stability and resilience. Unlike traditional steel rebar, the carbon fibre alternative offered corrosion resistance, reducing maintenance requirements and enhancing the lifespan of our builds.

Varun

Structural Engineer

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Orders Delivered So Far

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Main Application

  • Bridge Renovation and Reinforcement: Carbon fibre rebar offers a lightweight yet high-strength solution for reinforcing bridge structures.
  • Infrastructure Construction and Strengthening: Carbon fibre rebar is ideal for infrastructure projects such as highways, tunnels, and railways.
  • Repair and Reinforcement of Ancient Buildings: Carbon fibre rebar provides a non-intrusive method for repairing and reinforcing ancient buildings.
  • Seismic Reinforcement of Civil Engineering: In seismic-prone regions, carbon fibre rebar is essential for reinforcing civil engineering structures.
  • Commercial Building Transformation and Reinforcement: Carbon fibre rebar enables the transformation and reinforcement of commercial buildings, enhancing their structural performance.