Experimental Study on the Effect of Polymer-Modified Graphene Oxide on the Mechanical Properties of Concrete

Document Type : Research Paper

Authors

1 Ph.D. student, Department of Civil Engineering, Arak Branch, Islamic Azad University, Arak, Iran.

2 Assistant Professor, Department of Civil Engineering, Arak Branch, Islamic Azad University, Arak, Iran.

3 Faculty of Malayer University, Civil Engineering Department

4 Associate Professor, Department of Chemistry, Malayer Branch, Islamic Azad University, Malayer, Iran.

10.22124/jcr.2022.22133.1571

Abstract

In this research, it has been tried to reduce the disadvantages of GO to a minimum by modifying through the production of a polymer in a new way, while having more advantages of its presence in concrete compounds. Tensile, compressive strength and Fourier transform infrared spectroscopy (FT-IR) tests on 54 specimens with the same mix design and 0.4 water-cement ratio, including the control sample, the sample containing 0.03% by weight of graphene oxide, and the sample containing 0.03% of modified graphene oxide (copolymer) was done, the results show that adding this copolymer to concrete increases the 90-day tensile strength from 3.12 to 4.33 MPa (equivalent to 38.8%) and increases the 90-day compressive strength from 34.5 to 44.6 MPa (equivalent to 29.3%). Furthermore, the workability of concrete containing copolymer is 25% higher than concrete containing graphene oxide, which indicates its positive effect in increasing workability compared to concrete containing graphene oxide.

Keywords

Main Subjects

References

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