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                                         Information @ a Glance
General
  • A Fiber Reinforced Polymer (FRP) is a composite material comprising a polymer matrix reinforced with fibers.
  • FRP bars are an alternative to steel rebar in many applications and to steel plate-bonding techniques for structural strengthening.
  • A structural reinforcing bar made from filaments or fibers held in a polymeric resin matrix binder.
  • The FRP Bar can be made from various types of fibers such as Glass (GFRP) or Carbon (CFRP).

Technology

  • Fiber Reinforced Polymer (FRP) composite technology has been demonstrated with great success for bridge applications.
  • The development of the advanced FRP composite technology from the aerospace stealth aircraft and commercial industries is an engineer’s dream for innovative structural design and application. These outstanding polymer composites are among the leading materials in structural engineering applications today.

Application

  • FRPs are commonly used in the aerospace, automotive, marine, and construction industries.
  • FRP Bars are intended for use as concrete reinforcing in areas where steel reinforcing has a limited life span due to the effects of corrosion.
  • FRPs  are also used in situations where electrical or magnetic transparency is needed. In addition to reinforcing for new concrete construction, FRP bars are used to structurally strengthen existing masonry, concrete or wood members.

Market

  • Work had already begun to lower the cost of high performance FRPs and promote substantial marketing opportunities in sporting goods. By the late  the defense market waned, increased importance was placed by fiber and FRP manufacturers on cost reduction for the continued growth of the FRP industry.
  • The cost of FRP materials continues to decrease and the need for aggressive infrastructure renewal becomes increasingly evident in the developed world, pressure has mounted for the use of these new materials to meet higher public expectations in terms of infrastructure functionality.
  • Increased use of FRP systems in the construction industry, and  steadily decreasing costs of FRP materials have led to the development of a wide range of  available FRP products for a variety of specific applications.

Report

  • Bridges comprise the majority of prestressed FRP bars applications.
  • Applications of FRP reinforcement in major and innovative concrete structures have been facilitated by the development of ‘‘smart structure’’ sensor technology, thus alleviating the lack of performance data for FRP-reinforced structures.
  • Fiber reinforced polymer profiles have been successfully used in electrical applications for over 20 years.
  • Over eight million pounds of pultruded fiber reinforced polymer composites support 783 miles of electrical cables and optic fibers that control lighting, ventilation and communications.

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