Abstract
The extraordinary properties of graphene have been acknowledged as an efficient reinforcement for cementitious composites, enabling the construction of more clever, durable, and long-lasting building materials. Graphene-based reinforcing fillers, however, are unable to be directly included into cementitious composites for industrial manufacture due to dispersion problems and high prices. Therefore, it seems that commercialising graphene for cementitious materials may be more feasible if it were combined with ordinary fibres to reinforce cement. Recent research findings on the use of graphene in fiber-reinforced cementitious composites were evaluated critically and synthetically in this review study. First, the processes for producing and describing hybrid graphene-fiber fillers are discussed. Then, a summary of mechanical reinforcing mechanisms is presented, emphasising the significant contributions made by the nucleation effect, filling effect, interfacial bonding effect, and toughening effect. The study continues by describing in detail the enhancements made to the mechanical, electrical conductivity, electromagnetic interference shielding, and multifunctional interfacial properties of graphene-fiber reinforced cementitious composites. Finally, key challenges likely consequences are examined in order to provide useful recommendations and provide guidance for applicable future studies.
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