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Study of electrochemical corrosion and bearing capacity of corroded reinforced concrete beams

WANG Lipeng1, GONG Sifeng2   

  1. 1. Nanjing Hydraulic Research Institute, Nanjing 210029, China;
    2. Wuxi Zhihui Architectural Design Company, Wuxi 214001, China
  • Received:2008-08-27 Revised:1900-01-01 Online:2009-04-16 Published:2009-04-16

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Abstract:

The method of electrochemical corrosion was used to accelerate the reinforced concrete beams degeneration, and the corrosive degrees of rebars were studied with macro and quantitative methods. The corroded beams were loaded to study the mechanical property and bearing capacity. The test results indicated that the corrosion of reinforcing rebars have influences on the bearing capacity of beams, the severe corrosion of reinforcing rebars have evident influences on the stiffness of the beams, the inhibited effect of reinforcing rebars to the expansion of bending crack decreases with the increment of the corrosion.

Key words: reinforced concrete beam, corrosion, electrochemical corrosion, the bearing capacity

CLC Number: 

  • TU323
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