Study on Bond-slip Behavior between Non-uniformly Corroded Reinforcement and Concrete
Songtao Wu,
Zongquan Ying,
Chengbin Du
et al.
Abstract:In order to improve the stress concentration in concrete at steel nodes caused by zero thickness springs, the improved Spring2 nonlinear spring model from ABAQUS is used to simulate the bond-slip behavior between non-uniformly corroded reinforcement and concrete. Based on the collected test results with different stirrup spacing, fitting the influence coefficients of bond stress under stirrup corrosion. With the combination of a non-uniformly corroded rebar distribution model, the refined numerical simulation … Show more
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