cement
The cement used shall be any of the following and the type selected should be appropriate for the intended use:
- 33 grade ordinary Portland cement conforming to IS 269
- 43 grade ordinary Portland cement conforming to IS 8112
- 53 grade ordinary Portland cement conforming to IS 12269
- Rapid hardening Portland cement conforming to IS 8041
- Portland slag cement conforming to IS 455
- Portland pozzolana cement (fly ash based) conforming to IS 1489(part -1)
- Portland pozzolana cement (calcined clay based) conforming to IS 1489(part-2)
- Hydrophobic cement conforming to IS 8043
- Low heat Portland cement conforming to IS 12600
- Sulphate resisting Portland cement conforming to IS 12330
Other combination of Portland cement with mineral admixture of quality conforming with relevant indian standard laid down may also be used in the manufacture of concrete provided that there are satisfactory data on their suitability,such as performance test on concrete containing them.
