Nanotechnology is one of the most active research areas which has wide applications in almost all the fields.
As concrete is most usable material in construction industry itâ€™s been required to improve its quality. Improving concrete properties by addition of nano particles have shown significant improvement than conventional concrete.
A concrete made with portland cement particles that are less than 500nm as a cementing agent.Currently cement particle sizes range from a few nano-meters to a maximum of about100 micro meters.
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