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An Experimental Investigation on Effect of Nano Silica Addition on Mechanical Properties of Blended Cement Concrete

Author(s):

G. Anusha , SREE RAMA ENGINEERING COLLEGE; K. Jayachandra, SREE RAMA ENGINEERING COLLEGE; B. Bala Krishna, SREE RAMA ENGINEERING COLLEGE

Keywords:

Nano Silica, Compressive Strength, Split Tensile Strength, X-Ray Diffraction, SEM Analysis, Cement Type: OPC And Blended Cement

Abstract

Concrete is the most common material for construction. The total production depends upon the cement content only. Due to the usage, large amount of cement produces increasing the CO2 emissions, to reduce the cement percentage in concrete mixes the nano silica (nSiO2) is used as the replacement of the cement. Nowadays is mainly focusing on the basic science of cementitious material at atomic or nano level. Further, researches are continuing to improve the sustainability and durability of concrete and it has the mechanical properties and significant increment in cementitious material. This paper summarizes the effect of nano silica addition on mechanical properties of concrete. It provides the current development of application of nano-silica in motor and concrete by using Ordinary Portland Cement and Blended Cement. The nano silica is available in 10-50 nm as particle size. The 17nm particle size is used for the whole project. This paper aim is to study the mechanical properties of the specimen using the nano silica by replacement of the cement. The ratio in weight of the nano cement with respect to normal cement. The mortar specimen size is 70.6x70.6x70.6 mm. The concrete cube size is 150 x 150 x 150 mm was maintained and water cement ratio 0.40 was maintained throughout the project. The 0%, 1.5%, 3.5%, 5.5% and 7.5% of nano silica should be replaced with weight of the cement.

Other Details

Paper ID: IJSRDV6I60189
Published in: Volume : 6, Issue : 6
Publication Date: 01/09/2018
Page(s): 233-237

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