Staircase reinforced with carbon fiber fabric(CFRP)

It is found that the middle of the stairway slab is broken and the corner of the ladder beam is cracked. The ladder beam is 500mm high and 250mm wide, and is checked by structural reinforcement. 300g carbon fiber fabric​(CFRP) is used to reinforce the structure.

According to the opinions of the present owners, the stairway slab is 160 mm thick, 1700 mm wide and 4700 mm long. It is found that the middle of the stairway slab is broken and the corner of the ladder beam is cracked. The ladder beam is 500mm high and 250mm wide, and is checked by structural reinforcement. 300g carbon fiber fabric(CFRP) is used to reinforce the structure.


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Carbon fiber fabric reinforcement characteristic


Compared with traditional reinforced concrete or steel-bonded concrete, carbon fiber fabric reinforcement has the advantages of space saving, simple construction, no need for site fixing facilities, easy construction quality assurance, no increase in structural size and weight, corrosion resistance and good durability. In addition, the adoption of this method can greatly improve the service life of buildings and reduce the cost of reinforcement.


(1) the tensile strength is 7-10 times higher than that of the same section steel.


(2) light weight, density only 1/4 of ordinary steel.


(3) good durability, resistance to chemical corrosion, harsh environment and climate change.


(4) construction is convenient, quick, labor-saving and time saving, and construction quality is easy to guarantee.


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