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First of all, the quality of carbon fiber fabric itself is very important. If the quality of carbon cloth and the structural gum used with it is not up to standard, especially when the inferior carbon cloth is purchased, the tension is uneven during weaving, causing bubbles.
Bubble formation after FRP reinforcementis often encountered in engineering, so Horse Construction to sum up for you, how to deal with this situation.
First of all, the quality of carbon fiber fabric itself is very important. If the quality of carbon cloth and the structural gum used with it is not up to standard, especially when the inferior carbon cloth is purchased, the tension is uneven during weaving, causing bubbles.
Secondly, it is one of the most common problems in engineering: the ground treatment of concrete structure foundation is not good enough. The concrete surface must be cleaned up. If the steel bars are exposed, the corroded parts of the steel bars surface need to be cleaned up. Then the mending glue is leveled and repaired with Mancatel. After the mending glue is dried, the next step can be taken.
The concrete pasted with carbon fibers should be kept dry, and the water content of the surface should not be more than 4% and not more than 6%. The concrete with excessive water content should be manually dried or pasted with moisture-resistant carbon fibers structural adhesives. Then, when pasting, we must use matching structural adhesives to infiltrate into the voids between carbon fiber monofilaments as far as possible, so as to improve the performance of working together between the monofilaments.
Press the reinforcing part with hand or tool to ensure that there is no big gap and then compact it evenly and smoothly with rubber drum along the direction of the fiber, so that the structural glue overflows from both sides, ensuring that there is no void between the carbon cloth and the structure.
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Prestressed CFRP System(Post-tension CFRP system) includes anchoring devices and CFRP strip specially designed for bridge or lo
Thickness:1.2mm, 1.4mm, 2.0mm, 3.0mm
Density: 1.6g/cm³
Packing: 100 meters/roll
Width: 50mm, 100mm or to be custo
Part A (Epoxy): 20kg
Part B(Hardener):10kg
Mix Ratio: Part A: Part B=2:1
Barrel A Size: 30*30*37cm
Bar