Sunday, May 3, 2015

Types of Cements

1.Rapid Hardening Cement:-
-Increased Lime content.
-Attains high strength during the early days

it can be found in concrete where form work are removed with an early on.

2.Quick setting cement:
-Portion of aluminium sulphate as a possible accelerator and reducing number of Gypsum with fine grinding.
-Utilized in works is usually to be finished in very little while and concreting in static and running water.

3.Low Heat Cement:
-Created by reducing tri-calcium aluminate.
-It's used in massive concrete construction like gravity dams.

4.Sulphates resisting Cement:
-It can be made by maintaining the percentage of tricalcium aluminate below 6% which increases power against sulphates.
-It really is utilized in construction exposed to severe sulphate action by water and soil in places like canals linings, culverts, retaining walls, siphons etc.,

5.Blast Furnace Slag Cement:
-It's obtained by grinding the clinkers with approximately 60% slag and resembles about in properties of Portland cement.
-It might useful for works economic considerations is predominant.













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