
192 Advanced Process Control and Simulation for Chemical Engineers
fume content greater than 0.25, the values of compressive strength decreased. When
considering the use of SF as an addition, the micro-filling effect and pozzolanic reac-
tion of SF contributed to a denser microstructure thus resulting in an increase in the
compressive strength [22]. A similar result was reported by Rao [23] for the compres-
sive strength of silica fume concrete. An optimum silica fume content of 0.25 was
selected as the suitable proportion. The value of compressive strength was equal to
12.06 MPa for silica fume content of 0.25. It was very more than the value ...