Pozzolana Cement with Type II CLinker
Description :
This type of cement has a remarkable reduction of C3A phase in the mix and reaches to the maximum level of 5% in the areas containing chlorine and sulphates minerals, which the use of type V cement will have considerable durability and strength.
Uses :
This cement is usable for all purposes which require the use of types I.II.IV.V cements. Its mechanical resistance is close to that of type I. It is more sulphates – resisting that of type II and has the same sulphates- resisting as type V dose. With respect to the low level of heat of hydration this type of cement and type IV cement are similar. This cement is recommended for use in the areas concrete pavings, Dams, salty environments, water & sewage canals and also for the rolling concrete (RCC) and etc.
Advantages :
This cement has a vast spectrum of the required specifications of types of cement A. This concrete paving made with cement is very durable.
Its price is fair in comparison with the prices of types IV & V cement.
A suitable choice for construction works on the shores of the sea and in high temperature areas.
A suitable choice in terms of the resistance for destructive and corrosive elements of sulphates, Chlorine and alkalines.
Limitations :
For those concrete pavings which require high primary resistance.
For the concrete paving in the cold and icy weather.
C595 , C618 ASTM Standard & 3432 ISIRI Standard.
CHEMICAL SPECIFICATION OF PORTLAND POZZOLANIC CEMENT (WITH CLINKER TYPE ІІ)
| Sio2 | Al2o3 | Fe2o3 | Cao | Mgo | So3 | Cl | L.O.I | F. Cao |
| 24.5- 27.5 | 6- 7 | 3.7-4.5 | 55.5 -59.5 | <2.6 | <1.8 | <0.06 | <1 | <1.3 |
PHYSICAL SPECIFICATION OF PORTLAND POZZOLANIC CEMENT (WITH CLINKER TYPE ІІ)
| Blaing Cm2/g | Autoclave Expansion% | Setting time(MIN) |
Compressive Strength kg/cm2 | Heat of Hydration Cal/gr |
| INITIAL | Final | 3days | 7Days | 28days | 7Days | 28days |
| >3000 | <0/10 | >80 | <200 | >170 | >260 | >370 | <60 | <70 |
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