Evaluation of Empirical relation between compressive, Flexural, split tensile strength of concrete by partially Replacing Nano silica

Evaluation of Empirical relation between compressive, Flexural, split tensile strength of concrete by partially Replacing Nano silica
Author(s):
DSVSMRK CHEKRAVRTY, Dr ALAPATI MALLIKA, Dr P. SRAVANA, DrP.SRINIVASARAO
Keywords:
cement, concrete, mechanical properties, nano silica
Abstract
In the present study correlation between compressive, Flexural and splitting tensile strength of concrete was studied using both experimental and analytically predicted results. Three grades of concrete M40, M50, and M60 were considered by replacing its cement content with nano-silica. Experimental results of compressive, Flexural and splitting tensile strength were evaluated using 150mm cubes,100mm×100mm×500mm and cylinders of diameter 150mm and height 300mm for 28 days of curing in water. An equation was proposed for correlation between compressive, Flexural and splitting tensile strength from experimental data using regression analysis and analytical results were predicted. Accuracy of empirical equations reported by researchers and the proposed equation was analysed employing Root Mean Square Error, Integral Absolute Error, Normal Efficiency and Mean Absolute Error statistical parameters. Good compliance between experimental and analytical results was observed.
Article Details
Unique Paper ID: 153687 Publication Volume & Issue: Volume 8, Issue 8 Page(s): 280 - 284
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