A frp reinforced rectangular column with corner reinforcement and its construction method
A construction method, the technology of rectangular columns, applied in the direction of columns, pier columns, pillars, etc., can solve the problems of stress concentration at chamfered parts, reduction of reinforcement efficiency/cost ratio, and difficult control of FRP reinforcement effect, etc., to achieve the elimination of corners Reinforcement, high construction efficiency, uniform chamfering effect
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[0029] A FRP reinforced rectangular column with corner reinforcement, such as figure 1 , figure 2 As shown, it is characterized in that the FRP reinforcement layer (2) of the rectangular column (1) is provided with prefabricated chamfers (3) and corner reinforcements (4).
[0030] The prefabricated chamfer (3) and corner reinforcement (4) are made of fiber reinforced plastic (FRP) or sheet metal.
[0031] The prefabricated chamfer (3) is pasted on the corner of the rectangular column (1) by the repair material (5).
[0032] The construction method is carried out as follows:
[0033] The first step: According to the designed radius of curvature of the chamfer, remove the concrete at the four corners (7) of the rectangular column (1) to be reinforced, and the amount of removed concrete should be slightly more than the theoretically calculated value;
[0034] The second step: remove the loose concrete at the chiseled part, and perform necessary cleaning and roughening treatme...
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