Column angle leakage strengthening with carbon wrap

Because of construction problems, there are concrete quality defects in one to four layers, and there are column angle leaks in individual columns. Carbon fiber sheets are reinforced according to the site conditions.

column strengthening with carbon wrap


Project overview

Because of construction problems, there are concrete quality defects in one to four layers, and there is column angle leakage in individual columns.


1, the column corner leakage parts loose parts reach width 150mm * 150mm depth, the use of high-strength polymer cement mortar repair, repaired by CFRP reinforcement to the parts, carbon fiber cloth thickness 0.111mm, the tensile strength standard value is 300Mpa; the carbon fiber cloth along the horizontal direction around the beam to wrap the whole repair position. The hoop confined between the upper and lower lap width not less than 50mm, the ring extends to the truncated lap length not less than 200mm.


2. Aiming at the slight quality defects of concrete, the defects are eliminated loosely and the strong polymer cement mortar is used to repair the defects.


Strengthening materials

HM-20 unidirectional carbon fiber fabric(0.111mm thickness)



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