Specification of carbon fiber cloth

There are many kinds of carbon fiber cloth specifications, also mentioned before, it has 200g primary carbon fiber cloth, 200g secondary carbon fiber cloth, 300g primary carbon fiber cloth, 300g secondary carbon fiber cloth. The tensile strength, elastic modulus and elongation of primary CFRP are ≥3400MPa, ≥230GPa and ≥1.6%, respectively. The tensile strength, elastic modulus and elongation of secondary carbon fiber cloth are ≥3000MPa, ≥200GPa and ≥1.5%, respectively. The choice of primary carbon fiber cloth is certainly higher than the tensile strength of secondary carbon fiber cloth.

Correct construction operation is the premise of rapid work of CFRP reinforcement

Before sticking the carbon fiber cloth, make sure that the surface of the paste is free of dust. To achieve no dust, you can use an Angle grinder or sandpaper and other related tools to treat the concrete surface, clean up some impurities such as floating slurry and oil, and polish the surface of the concrete. If there are some defects such as large holes or concave surfaces on the surface, it is necessary to use structural repair glue to repair it. In addition, when sticking the carbon fiber cloth, the strength of the roll should be controlled in an appropriate strength, not too hard, nor too light. Good construction operation will avoid the second rework due to improper operation in the later period, so as to save a lot of manpower and material resources.

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