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Prestressed FRP laminate is widely used in bridge strengtening
For the problems brought about by the strengthening of carbon fiber reinforced material, the reinforcement method of Prestressed CFRP laminate can be solved by applying a pre stress to the carbon fiber plate, and then anchoring it on the reinforced component.
2020-03-30 14:00:40
Strengthening columns with carbon fiber fabric
carbon fiber composite strengthening system comprises of unidirectional carbon fiber fabrics, primer, leveling,carbon fiber impregnating adhesive. These unique combinations provide a wide range of strengthening and retrofitting solutions to meet the many demands of different projects and applications.
2020-03-30 13:54:10
Application of direct reinforcement method for concrete
The direct reinforcement method:Enlargement section method; Displacement concrete method; Prestressed strengthening method; Externally bonded steel plate; Pasting steel plate method; Externally bonded FRP wrap
2020-03-30 13:28:30
Comparative analysis for bonded steel and FRP wrap
Nowadays, bonding steel plate reinforcement and FRP wrap reinforcement in concrete are often used in the reconstruction and reinforcement works of building structures, and the positions of bonding reinforcement are almost the same.
2020-03-30 13:32:53
Mechanism analysis of CFRP in concrete structure reinforcement
Carbon fiber reinforced polymer(CFRP) technology is widely used. It is suitable for the reinforcement and repair of various structural types and various structural parts, such as beams, plates, columns, roof frames, bridge piers, bridges, cylinders and shells, which require that the strength grade of the concrete at the base level is not less than C15.
2020-03-30 13:33:56
Beam, column, slab, wall strengthening
Beam, column, slab, wall strengthening by bonded carbon fiber fabric, increase the crack resistance or shear capacity of the structure, improve the strength, rigidity, crack resistance and elongation of the structure.
2020-03-30 13:34:46
Structural strengthening by adhesively bonded steel plate
Beam, column, slab, wall strengthening by adhesively bonded steel plate, steel plate and concrete form a unified whole, enhance the bearing capacity and stiffness of components.
2020-03-30 13:35:48
Comparative of applicability of bonding CFRP and steel plate
Bonded CFRP and steel bonded reinforcement are bonded to the structure surface by resin cementing material, and form a whole force system with the structure to enhance the flexural or shear ability of the reinforced structure
2020-03-30 13:36:26
Reinforcement steel bar pull-out test
The tensile test of steel bar is the field test of the anchoring force. After 48-72 hours of rebar planting, the tension meter (Jack) can be used to carry out the drawing test of the reinforced bar.
2018-07-10 17:17:59
Precautions for the repair of concrete cracks
Before cracks are repaired, we need to measure the cracks first and choose the appropriate method according to the width of the cracks. When the crack width is less than 0.2mm, the crack repair glue is closed. When the crack width is in the 0.2mm~1.5mm, the crack injection adhesive should be injected into the fracture cavity with a certain pressure to strengthen and close the fracture cavity.
2020-05-29 09:55:54