Use of 2-D Graphene Nanoplatelets (GNP) in cement composites for structural health evaluation

Jia Liang Le, Hongjian Du, Sze Dai Pang

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133 Scopus citations


This study investigates the use of Graphene Nanoplatelets (GNP) in cement composite to quantify the material damage extent. The damage sensing capability of this new cement composite is demonstrated by experimentally measuring the electric potential across prisms with known notch depth and comparing it with finite element simulations. Meanwhile, the damage extent is directly related to the change in electric potential based on a mathematical analogy between the electrostatic field and the elastostatic field under anti-plane shear loading. It is shown that the fractional change in electric potential arising from damage is equivalent to the fractional change in elastic compliance, which can be exploited for structural health evaluation.

Original languageEnglish (US)
Pages (from-to)555-563
Number of pages9
JournalComposites Part B: Engineering
StatePublished - Nov 2014

Bibliographical note

Funding Information:
This study was financially supported by the A∗STAR SERC under Grant No. R-302-000-034-305 . Asbury Graphite Mills, USA, is kindly acknowledged for providing GNP materials.

Copyright 2014 Elsevier B.V., All rights reserved.


  • A. Smart materials
  • B. Electrical properties
  • C. Damage mechanics
  • D. Non-destructive testing


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