Reinforcing effects of graphene oxide on portland cement paste

Kai Gong, Zhu Pan, Asghar H. Korayem, Ling Qiu, Dan Li, Frank Collins, Chien Ming Wang, Wen Hui Duan

    Research output: Contribution to journalArticlepeer-review

    Abstract

    In this experimental study, the reinforcing effects of graphene oxide (GO) on portland cement paste are investigated. It is discovered that the introduction of 0.03% by weight GO sheets into the cement paste can increase the compressive strength and tensile strength of the cement composite by more than 40% due to the reduction of the pore structure of the cement paste. Moreover, the inclusion of the GO sheets enhances the degree of hydration of the cement paste. However, the workability of the GO-cement composite becomes somewhat reduced. The overall results indicate that GO could be a promising nanofillers for reinforcing the engineering properties of portland cement paste.
    Original languageEnglish
    Article numberA4014010
    Number of pages6
    JournalJournal of Materials in Civil Engineering
    Volume27
    Issue number2
    DOIs
    Publication statusPublished - 2015

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