Pultrusion flat bar FRP(GH B001)
The basic components of glass steel flat steel for resin and glass fiber (including cloth, mat etc.), which is based on the fiber (including glass fiber, carbon fiber, organic fiber and other metal and non metal fiber) as reinforcing material, resin (mainly epoxy resin. Polyester resin, phenolic resin) as crosslinking agent, auxiliary and other supporting materials (mainly accessories: release agent, curing agent, catalyst, sealing mould agent, light stabilizer, UV clean water, gel coat) composites.

Features:
Tensile strength
High tensile strength, tensile strength of FRP are significantly higher than steel, and high tensile strength of steel wire almost, generally 2 times or 10 times the steel bar. But before reaching the tensile strength of FRP material, almost no plastic deformation, tensile stress and strain is linear elastic rising to brittle fracture, so the process of FRP composite material in concrete structure and interaction ,is not FRP material tensile failure, but the interfacial strength of FRP- concrete due to the lack of concrete interface the structure was peeling failure.
Coefficient of thermal expansion
The thermal expansion coefficient of FRP composites is similar to that of concrete, so that when the environment temperature changes, the coordination between FRP and concrete works.
Elastic modulus
Compared with steel, most FRP products are of low elastic modulus. 25%~ 75% about ordinary steel bars. Therefore, the design of the FRP structure is usually controlled by deformation.
Shear strength
Low shear strength FRP, its strength is only the tensile strength of 5%~20%, which makes FRP components need to be developed in the process of connecting anchorage and special fixture. This also makes the FRP component appropriate to become a prominent issue.
Corrosion resistance, fatigue resistance
FRP material has good corrosion resistance and anti fatigue performance, and can be used in acid, alkali, chlorine salt and moist environment for a long time, so the service life of the structure can be improved, and the structure material is difficult to match. But at the same time, compared with the general concrete, the fire resistance performance of FRP composites is a deviation, which has restricted the application of this kind of structure products. It has become one of the problems to be solved in the future.
weight
Higher than the intensity, that is commonly known as light and high strength, so the use of FRP material can reduce the weight of the structure, construction is convenient, the weight of 20% of the general steel.
Good design ability
FRP belongs to the artificial material can be according to the need of the project using the fiber content of different materials fiber and elaborate different process design methods of different strength, elastic modulus and specific performance requirements of FRP products, and FRP shovel shape flexible design.
Other advantages
Insulation, heat insulation and electromagnetic waves, etc., can be used in some special occasions, such as radar station geomagnetic observation station medical MRI equipment structure, etc..
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No. 8, Dam Road, Taowu Industrial Zone, Hengxi Community, Jiangning District, Nanjing City, Jiangsu Province, China


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