Effect of Loading Rate on the Bonding Strength between Rebar and Concrete

Dong Ming Yan; Gen Da Chen

doi:10.4028/www.scientific.net/AMR.450-451.122

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 450-451Effect of Loading Rate on the Bonding Strength...

Effect of Loading Rate on the Bonding Strength between Rebar and Concrete

Abstract:

In this study, the effect of loading rate on the bonding strength between rebar and concrete substrate is investigated through pull-out test on 24 concrete cylinders. The load capacity, shear deformation and fracture characteristics of the interface are examined carefully. It is found that with the increase of loading rate, the load capacity increases correspondingly and their relationship can be characterized with a semi-logarithm equation. The load-deflection curves expand with the increase of loading rate, which is an indication of a gradually increasing energy absorption capacity with the increase of loading rate. Generally, with higher loading rate, more energy is dissipated.

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Periodical:

Advanced Materials Research (Volumes 450-451)

Pages:

122-125

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.450-451.122

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Online since:

January 2012

Authors:

Dong Ming Yan, Gen Da Chen

Keywords:

Bonding Strength, Concrete, Loading Rate

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References

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