Experimental Investigation on Carbon Nanotube (CNT) in Concrete

Priyanka Dutta, Dr. Biman Mukherjee

Abstract: Carbon nanotubes (CNTs) are carbon structures which take the shape of cylinders in nanometric scale. They exhibit exceptional electrical, thermal and mechanical properties. This experimental investigation shows the effect of compressive strength of concrete embedded with single - walled carbon nanotube (SWCNT) in different percentages starting from 0.01% to 0.05%; increasing at 0.01%. CNT is mixed with water and kept aside for 30 minutes to avoid dispersion of particles and then thoroughly mixed with dry mix consisting of Portland Pozzolana cement, fine aggregate and coarse aggregate. Compressive strength of 7 days, 14 days and 28 days have been observed and recorded. It has been seen that CNTs with 0.03% gives the best result and increasing the percentages of CNTs decreases the compressive strength.

Keywords: Carbon Nanotube, Compressive Strength, Concrete, Nanometric