THE JOURNAL OF KMUTNB

Volume 32, No. 04, Month OCTOBER, Year 2022, Pages 924 - 933

The effect of graphene oxide in bond strength between synthetic fibers and cement mortar

Apisit Techaphatthanakon, Buchit Maho, Sittisak Jamnam, Piti Sukontasukkul, Chesta Ruttanapun, Prinya Chindaprasirt

Abstract Download PDF

Graphene is a nanomaterial chemically synthetized from graphite. The microstructure of graphene is in hexagonal form with covalent bonding. It exhibits excellent rigidity, electrical conductivity and flexibility. Several researches indicated that mixing graphene oxide with cement mortar can noticeably increase its strength. In this study, the effects of Graphene Oxide (GO) on the bonding strength of synthetic fibers were investigated. Three types of fibers were used, i.e. polypropylene, glass and basalt fibers. The GO solution was mixed with mortar. The specimens were subjected to a single fiber pullout test. Results showed that the sample with fiber embedded in GO mortar exhibited higher bonding strength than the control sample. The glass fiber had the highest bond strength compared to the others.

Keywords

Graphene Oxide; Single Fiber Pullout Test; Bond Strength; Basalt Fiber; Glass Fiber; Polypropylene Fiber

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