Design and Optimization of Mechanical Properties of Reduced-Graphene Oxide- Loaded Cement

Document Type : Original Article


1 Department of civil Engineering, Islamic Azad University, Electronic branch, Tehran, Iran.

2 Department of civil Engineering, K. N. Toosi University of Technology, Tehran, Iran.


Graphene oxide (GO) is a graphite-based product. GO prepare a new distance to interact with cement matrix. GO due to the high specific surface area, high intrinsic mobility and high Young’s modulus leads to a remarkable enhancement in mechanical properties of cementitious material matrix. In the present study, the effect of reduced-graphene oxide (r-GO) on the mechanical properties of Portland cement paste was investigated. Response surface methodology based on central composite design (CCD) was used to predict the interaction effects of curing time (7-21 days) and GO amount (0.02-0.1%) on the compressive strength and flexural strength of the r-GO–cement composite. By optimization of parameters, the compressive strength and flexural strength was increased by 48% and 74% compared with cement without r-GO. The obtained results demonstrated that the r-GO is a promising filler of cement-based composites to enhance the mechanical properties of cement.


Main Subjects

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Volume 2, Issue 3
September 2018
Pages 159-164
  • Receive Date: 14 May 2018
  • Revise Date: 03 August 2018
  • Accept Date: 27 August 2018
  • First Publish Date: 01 September 2018