Investigation on Mechanical Properties of Cementitious Composites cured in colloidal Nanosilica SiO2 solution.

Authors

  • Lana Ayad Abdulateef Department of Civil Engineering, Nawroz University, Duhok, KRG - Iraq
  • Rondik Sidqi Saleem Department of Civil Engineering, Nawroz University, Duhok, KRG - Iraq
  • Arife Akin Konya Technical University, Konya, Turkey

DOI:

https://doi.org/10.25007/ajnu.v11n3a1331

Abstract

Nano technology is one of the most widely searched techniques in the world nowadays. Several studies reported with nanoparticles are based on the nano-silica (nano-SiO2) addition to the fresh mix to improve the performance of concrete. Nano-SiO2 is highly reactive with calcium hydroxide and is able to act not only as a filler, blocking the concrete pores, but also as an activator to promote pozzolanic reaction. In this study, the effect of different concentration of nano silica solution on concrete compressive strength when using it in curing instead of water. Samples were made by adding fly ash (FA/PC= 1.2 and 2.2) and some were immersed in water and others in a suspension containing water with Nano SiO2 with different concentrations (0.5, 1, 2 and 3) %. Then submit the samples to compression test after 3, 7 and 28 days to notice the impact of using Nano silica solution in curing stage. Fly ash has been used in this experiment for several reasons. 1. Development of the mechanical properties of the cement-bonded composites. 2. Reduces the percentage of cement use and therefore we will keep the environment clean because the cement reaction produces CO2 which cause polluting to the environment.

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Published

2022-08-15

How to Cite

Ayad Abdulateef, L., Sidqi Saleem, R., & Akin, A. (2022). Investigation on Mechanical Properties of Cementitious Composites cured in colloidal Nanosilica SiO2 solution. Academic Journal of Nawroz University, 11(3), 225–230. https://doi.org/10.25007/ajnu.v11n3a1331

Issue

Vol. 11 No. 3 (2022)

Section

Articles

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