Engineering of SiO2 Nanoparticles for Optimal Performance in Nano Cement-Based Materials

  • K. Sobolev
  • I. Flores
  • L. M. Torres-Martinez
  • P. L. Valdez
  • E. Zarazua
  • E. L. Cuellar


The reported research examined the effect of 5-70 nm SiO2 nanoparticles on the mechanical properties of nano-cement materials. The strength development of portland cement with nano-SiO2 and superplasticizing admixture was investigated. Experimental results demonstrate an increase in the compressive and flexural strength of mortars with developed nanoparticles. The distribution of nano-SiO2 particles within the cement paste plays an essential role and governs the overall performance of these products. Therefore, the addition of a superplasticizer was proposed to facilitate the distribution of nano-SiO2 particles. Superplasticized mortars with 0.25% of selected nano-SiO2 demonstrated a 16% increase of 1-day compressive strength, reaching 63.9 MPa; the 28-day strength of these mortars was 95.9 MPa (vs. strength of reference superplasticized mortars of 92.1 MPa). Increase of 28-day flexural strength of superplasticized mortars with selected nano-SiO2 was 18%, reaching 27.1 MPa. It is concluded that the effective dispersion of nanoparticles is essential to obtain composite materials with improved performance.


Compressive Strength Flexural Strength Portland Cement Silica Fume Cement Mortar 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • K. Sobolev
    • 1
  • I. Flores
    • 2
  • L. M. Torres-Martinez
    • 2
  • P. L. Valdez
    • 2
  • E. Zarazua
    • 2
  • E. L. Cuellar
    • 3
  1. 1.Department of Civil Engineering, CEASUniversity of Wisconsin-MilwaukeeUSA
  2. 2.Facultad de Ingenieria CivilUniversidad Autonoma de Nuevo LeonMexico
  3. 3.Facultad de Ingeniería Mecánica y EléctricaUniversidad Autonoma de Nuevo LeonMexico

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