OPC-ordianry portland cement
OPC-opc is obtained by adding raw materials like calcareous
materials and argillaceous materials
PPC-portland pozzolona cement
PPC-ppcis obtainedby adding pozzolonac materials like
OPC stands for ordinary Portland cement.these are
traditional cements obtained by proper grinding & processing
of argillaceous & calcareous materials in rotary kiln.
PPC stands for portland pozzolana cement.Portland Pozzolana
Cement is manufactured by blending pozzolanic materials, OPC
clinker, and gypsum either grinding them together or
separately. Today Portland Pozzolana Cement is widely in
demand for industrial and residential buildings, roads,
dams, and machine foundations.
opc is mainly used for mixture with the concrete only
ppc is mainly used for mixture with the brikes only
because the ppc when only adding some water day by day then
only it will strongs at the same time Opc had more
powerfull than ppc sychronising thier molecules as closer
it was only bares by the concreet only if ppc used for
concreeet it will reqire more water if not the pole may
have some holes ....
PPC is widely used instead of OPC to avoid cracks developed
due to temperature variation.But, also to be noted that
setting time of PPC is more than OPC, therfore for
hydration and dehydration proces of concrete more and more
water is required.Since ppc takes more setting time
therfore internal molecules may colesces together to make a
firm bond between the particles and that is the reason
cracks not appears after proper curing.
Is This Answer Correct ?
S K Jha
Other Civil Engineering Interview Questions
How manu days after the casting of a slab another slab can
be casted above it?
what is the total curing time of a slab if ponding is not
done on it?