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A Sustainable Graphene Based Cement Composite

Author

Listed:
  • Sardar Kashif Ur Rehman

    (Department of Civil Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia)

  • Zainah Ibrahim

    (Department of Civil Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia)

  • Shazim Ali Memon

    (Department of Civil Engineering, School of Engineering, Nazarbayev University, 010000 Astana, Kazakhstan)

  • Muhammad Faisal Javed

    (Department of Civil Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
    Department of Civil Engineering, COMSATS Institute of Information Technology, 22060 Abbottabad, Pakistan)

  • Rao Arsalan Khushnood

    (NUST Institute of Civil Engineering, School of Civil and Environmental Engineering, National University of Sciences and Technology, 44000 Islamabad, Pakistan)

Abstract

The rheological properties of fresh cement paste with different content of graphene nanoplatelets (GNPs), different shear rate cycles and resting time was investigated. The rheological data were fitted by the Bingham model, Modified Bingham model, Herschel–Bulkley model and Casson model to estimate the yield stress and plastic viscosity, and to see trend of the flow curves. The effectiveness of these rheological models was expressed by the standard error. Test results showed that yield stress and plastic viscosity increased with the increase in the content of graphene in the cement based composite and resting time while the values of these parameters decreased for higher shear rate cycle. In comparison to control sample, the GNP cement based composite showed 30% increase in load carrying capacity and 73% increase in overall failure strain. Piezo-resistive characteristics of GNP were employed to evaluate the self-sensing composite material. It was found that, at maximum compressive load, the electrical resistivity value reduced by 42% and hence GNP cement based composite can be used to detect the damages in concrete. Finally, the practical application of this composite material was evaluated by testing full length reinforced concrete beam. It was found that graphene–cement composite specimen successfully predicted the response against cracks propagation and hence can be used as self-sensing composite material.

Suggested Citation

  • Sardar Kashif Ur Rehman & Zainah Ibrahim & Shazim Ali Memon & Muhammad Faisal Javed & Rao Arsalan Khushnood, 2017. "A Sustainable Graphene Based Cement Composite," Sustainability, MDPI, vol. 9(7), pages 1-20, July.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:7:p:1229-:d:104531
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    Citations

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    Cited by:

    1. Sardar Kashif Ur Rehman & Zainah Ibrahim & Shazim Ali Memon & Md. Toasin Hossain Aunkor & Muhammad Faisal Javed & Kashif Mehmood & Syed Mustafa Ali Shah, 2018. "Influence of Graphene Nanosheets on Rheology, Microstructure, Strength Development and Self-Sensing Properties of Cement Based Composites," Sustainability, MDPI, vol. 10(3), pages 1-21, March.
    2. Duong Duc La & Tuan Anh Nguyen & Thanh Tung Nguyen & Ha Duc Ninh & Hoai Phuong Nguyen Thi & Tham Thi Nguyen & Duy Anh Nguyen & Trung Dung Dang & Eldon R. Rene & Soon Woong Chang & Hien Tran Thi & Dinh, 2019. "Absorption Behavior of Graphene Nanoplates toward Oils and Organic Solvents in Contaminated Water," Sustainability, MDPI, vol. 11(24), pages 1-9, December.

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