Prestress Carborn Fiber System

Description:
A new, practical prestress system with carbon fiber laminates, and two end anchoring device, to change the passive stress to active stress with better performance to achieve real reinforcement.

Uses :

  • Improve the bearing capacity of bridge structure, has incomparable advantages in large-span beam slab of flexural reinforcement.
  • Significantly reduce deformation of the structure and improve the bearing capacity of the structure, decrease the crack width and deflection deformation, and is suitable for large span beam slab of flexural reinforcement.
  • Improve the rigidity of structure, and make full use of the material performance, save a lot of materials and engineering cost.


Product Characteristics:
  • Take full advantage of high strength of carbon fiber, make new structures and old once work together;
  • Reduce or even remove the existing structures' cracks;
  • Improve the structures' rigidity and anti – crack performance and bearing capacity;
  • New materials and patent technology;
  • Curing sufficiently, heat evenly without deviation, more stable strength;
  • Straighter, more smooth;
  • Minimum stress, safe to construction;
  • Small grooving area.


Pre – stress strengthening system
Item Thickness (mm) Width (mm) Length (m/roll)
A3S -1.4P 1.4 20/50/100 100
A3S 2.0P 2.0 20/50/100 100
A3S - 3.0P 3.0 20/50 100

Technical Data:
(Prestress carbon fiber plate performance)

Tensile Strength (MPa) ≥ 2800
Tensile Strength (MPa) ≥ 1.6 x 105
Elongation (%) ≥ 1.6
Interlaminar Shear Strength (MPa) ≥ 50
Cohesive pulling strength with concrete (MPa) ≥ 2.5 (Concrete cohesion damage)
Fiber volume fraction (%) ≥ 65


A3S Prestress DFRP Anchoring Device:
Description :
A3S prestress device are made of high strength, high fatigue – resistant, special alloy steel, With long durability and excellent weather resistant

Fatigue resistance properties
Testing: 2 million times stress at 5 hz for the system (with carbon fiber plate)

Stress Strength(kn) Fmax 192
Fmax 168
Carbon fiber plate thickness 3mm, width 50mm, length 3 meters
Stress and fix heads no damage or slip
Carbon fiber plate no slip, no damage

Attention:
Great care must be taken and experienced and labors is a must, Protective ways such as set up wood wall or mesh is a must in stressing process. Use suitable protective clothing, gloves, eye protection and respirator. Take care when unwrap carbon fiber plate coil. If adhesive is swallowed or stained into eyes, seek medical service at once.

Storage and Transportation:
Do nit expose directly under sunlight
Shelf life: unlimited
Keep stress ends in dry environment



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