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Computers and Concrete
  Volume 10, Number 1, June 2012 , pages 59-78
DOI: https://doi.org/10.12989/cac.2012.10.1.059
 


Analysis of RC beam with unbonded or exposed tensile steel reinforcements and defective stirrup anchorages for shear strength
Xiao-Hui Wang and Xi-La Liu

 
Abstract
    Although the effect of corrosion of reinforcing bar on the shear behavior of the reinforced concrete (RC) beam had been simulated by tests of the beam with unbonded, half-exposed or wholeexposed tensile steel reinforcements as well as defective stirrup anchorages, theoretical methods to accurately predict remaining capacity of this kind of RC beams, especially shear capacity, are still lacking. Considering the possible position of the critical inclined crack, the actual pattern of strains in the concrete body within the partial length and the proposed compatibility condition of deformations of the RC beam, shear strength of the RC beam with unbonded or exposed tensile steel reinforcements and/or defective stirrup anchorages is predicted. Comparison between the model
 
Key Words
    shear strength; unbonded length; critical inclined crack; defective stirrup anchorages.
 
Address
Xiao-Hui Wang and Xi-La Liu: Department of Civil Engineering, Shanghai Jiaotong University, Shanghai, 200240, P.R. China
 

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