Page 15 - CONCRETE MATERIALS AND MIXTURE

1.1.1.2 Properties of cement in

concrete mixture

The chemical composition in cement

3. Abbreviation function

C S C A
2 3
• It hydrates slowly. • It is fast reacting with large amount
• It hardens more slowly of heat generation.

• It provides ultimate strength to the • It causes initial setting of cement.
cement. • It is weak against sulphate attack.

• It has more resistance to chemical
attack. C AF

• 4 It is comparatively inactive.

C S
3 • It has poor cementing value.
• It hydrates more rapidly. • It is slow in reaction with small

• It develops early strength. heat generation.
• It generates heat more rapidly and has

less resistance to chemical attack.