LABORATORY EXPERIMENTAL ANALYSIS OF THE PHYSICAL PROPERTIES OF NANO SILICA CONCRETE

The implementation of nano-technology in the making of cement concrete structures has added a new direction towards the improvement of its properties. The Nano-materials, due to its very small size particles it affects the cement concrete properties by altering the microstructure. This research considers with the employment of nano oxide of powder type to enhance the compressive strength of cement concrete mixture. An experimental investigation has been carried out by replacing the cement with Nano silica by 0 %, 0.5 %, 1.0 %, 1.5 %, 2.0 %, 2.5 % and 3.0 % for M-20 (1:1.5:3) grade of cement concrete with water cement ratio 0.42. The tests performed on samples shows a considerable increase in early-age compressive strength and the Split Tensile strength of concrete on 7th day, 14th day and 28th day of curing. The Workability and Strength increase was discovered with the rise within the proportion of nano oxide.