Experimental study on bonding performance of polypropylene fiber modified rubber concrete and deformed steel bar

Chenhui Zhu

doi:10.54097/hset.v55i.9963

Authors

Chenhui Zhu

DOI:

https://doi.org/10.54097/hset.v55i.9963

Keywords:

Mekralon, Rubber concrete, Bond strength, Constitutive relation.

Abstract

In order to study the binding properties of deformed steel rods and rubber concrete modified with polypropylene fiber, four groups of bonding specimens were designed with polypropylene fiber volume ratio as a variable. The effect of polypropylene fiber on bond strength and bond slip curve was investigated by drawing test. It was found that the bond strength increased with the increase of polypropylene fiber volume fraction in the range of 0 ~ 1.5 %. Based on the experimental data, the constitutive relationship between deformed steel bar and polypropylene fiber modified rubber concrete was established. It provides a theoretical basis for further research on polypropylene fiber modified rubber concrete.

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