Abstract
The purpose of this paper is to study the bond behavior between stainless steel bar and concrete. Through the bonding test between reinforcement and concrete, the average bonding force and the distribution of the bonding force between stainless steel bar and concrete are studied. The test results showed that the bond performance between stainless steel bars and concrete was excellent. Within a certain range, the bond performance between stainless steel bars and concrete was proportional to the compressive strength of concrete. The bonding performance of stainless steel bars and concrete was related to the diameter of reinforcement. The larger the diameter of reinforcement, the greater the average bonding stress between reinforcement and concrete. In addition, the area affected by the bonding stress between reinforcement and concrete showed a linear growth trend with the diameter of reinforcement roughly affected as 10 times as the diameter of reinforcements. Stainless bar were similar to ordinary bar, and the peaks of their bond stress with concrete were roughly distributed near the loading end. As the load increased, the effective bond length increased slowly, while the peak stress increased significantly. The peak stress showed an internal shift only when the specimen was near damage.
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