Abstract
In order to study the bond mechanism and dynamic characteristics of steel reinforcement, a total of 9 pull-out tests were conducted under different loading rates. The applied load, the slip at the loaded end, and the strains along the embedment length of steel reinforcement were measured during testing. Bond stresses and strain rates along the embedment length of reinforcement were calculated from the measured strains. Test results suggested that a higher loading rate increased the bond stress near the loaded end and decreased the bond stress near the free end, and thus, the bond stress distribution along the embedment length became less uniform.
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Acknowledgements
The authors gratefully acknowledge the financial support provided by the National Natural Science Foundation (No.51608068), Fundamental and Frontier Research Project of Chongqing (No. cstc2016jcyjA0450) and the Fundamental Research Funds for the Central Universities (No. 2019CDXYTM0032).
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Huang, X.J., Wang, C.Y., Wang, S., Kang, S.B. (2021). Investigation on Dynamic Bond-Slip Behaviour Between Steel Reinforcement and Concrete Under Various Loading Rate. In: Wang, C.M., Dao, V., Kitipornchai, S. (eds) EASEC16. Lecture Notes in Civil Engineering, vol 101. Springer, Singapore. https://doi.org/10.1007/978-981-15-8079-6_96
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DOI: https://doi.org/10.1007/978-981-15-8079-6_96
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