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Advances in Materials Science and Engineering
Volume 2015, Article ID 307435, 16 pages
Review Article

Progress in Research on Carbon Nanotubes Reinforced Cementitious Composites

Institute of Advanced Engineering Structures and Materials, Zhejiang University, Hangzhou 310058, China

Received 27 April 2015; Revised 12 July 2015; Accepted 13 July 2015

Academic Editor: Robert Cerný

Copyright © 2015 Qinghua Li et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


As one-dimensional (1D) nanofiber, carbon nanotubes (CNTs) have been widely used to improve the performance of nanocomposites due to their high strength, small dimensions, and remarkable physical properties. Progress in the field of CNTs presents a potential opportunity to enhance cementitious composites at the nanoscale. In this review, current research activities and key advances on multiwalled carbon nanotubes (MWCNTs) reinforced cementitious composites are summarized, including the effect of MWCNTs on modulus of elasticity, porosity, fracture, and mechanical and microstructure properties of cement-based composites. The issues about the improvement mechanisms, MWCNTs dispersion methods, and the major factors affecting the mechanical properties of composites are discussed. In addition, large-scale production methods of MWCNTs and the effects of CNTs on environment and health are also summarized.