Page 11 - CONCRETE MATERIALS AND MIXTURE
P. 11
Types of
Cement Composition Purpose
It is prepared by It is used in construction
Sulphates maintaining the percentage exposed to severe sulphate
of tricalcium aluminate
action by water and soil in places
resisting Cement below 6% which increases like canals linings, culverts,
power against sulphates retaining walls, siphons etc.,
It is obtained by grinding
Blast Furnace the clinkers with about It can used for works economic
60% slag and resembles
Slag Cement more or less in properties considerations is predominant.
of Portland cement
It is prepared from raw It is more costly and is used for
architectural purposes such as
White Cement materials free from Iron pre-cast curtain wall and facing
oxide. panels, terrazzo surface etc.,
