Strengthening of reinforced concrete, brick and stone structures.

Installation of FibArm materials, external strengthening system, based on carbon FibArm tape, carbon laminates "FibArm Lamel", carbon grids "FibArm Grid", and carbon anchors "FibArm Anchor"
The main task of strengthening the load-bearing structures of buildings and facilities is to resist forces such as compression, torque, transverse forces, stretching and other forces that affect the building' structure and reduce it exploitation life.

During the stage of design and implementation of the load-bearing structure strengthening using composite carbon materials, international requirements such as "ACI 440.2R-08. GUIDE FOR THE DESIGN AND CONSTRUCTION OF EXTERNALLY BONDED FRP SYSTEMS FOR STRENGTHENING CONCRETE STRUCTURES. ACI COMMITTEE 440, TECHNICAL COMMITTEE DOCUMENT, 2008" are satisfied.

The strengthening of reinforced concrete structures is not only required during the exploitation and deterioration of the building structures, but also required in case the building structure functionality has changed.

The main problems of deterioration of reinforced concrete structures:
  • Longitudinal and transverse cracks
  • Concrete strength loss
  • Destruction of the protective layer of concrete
  • Rebars corrosion
As a result, a decrease in the load-bearing capacity of the structure

A set of measures to eliminate damage and restore load-bearing capacity, involves the following measures:
  • Removing fragile concrete
  • Crack injection (0.3 to 5 mm wide)
  • Crack jointing (up to 0.3 mm wide)
  • Corrosion treatment of rebars

Followed by:
  • Primer surface
  • Caulking cracks and packers' openings
  • Restoration of the protective layer of concrete
    After reparing the damage, it is necessary to prepare the surface before strengthening it with FibArm carbon tapes:
    • Surface grinding
    • Rounding of sharp corners (chamfer with leg> 20mm)
    • Primer surface (if necessary)
    • Drawing marking lines in accordance with the scheme of the sticker
    • Cleaning, dust removal from the surface
    • FibArm Resin Adhesive Coating
    • Laying prepared reinforcing elements
    • Rolling reinforcing elements to the base
    • Application of the elements of the finishing layer of FibArm Resin adhesive
    • Dust removal
    • FibArm Resin Adhesive Coating
    • Laying prepared reinforcing elements
    • Rolling reinforcing elements to the base
    • Application of the elements of the finishing layer of FibArm Resin adhesive
    • Application of a protective coating on the surface of the upper layer of reinforcing elements
    As a result, we get:
    • Restoration of load-bearing capacity
    • Compensation of rebar' longitudinal and transverse deficit
    • Minimum time consumption
    • Without increasing the size of the structure
    • After reinforcement, any finishing material is allowed.