Table of Contents
What is the difference between Portland cement and composite cement?
Composite cements are cements in which a proportion of the Portland cement clinker is replaced by industrial by-products, such as granulated blastfurnace slag (gbs) and power station fly ash (also known as pulverized-fuel ash or pfa), certain types of volcanic material (natural pozzolanas) or limestone.
Is Portland cement and ordinary portland cement the same?
Several types of portland cement are available. The most common, called ordinary portland cement (OPC), is grey, but white portland cement is also available. Its name is derived from its resemblance to Portland stone which was quarried on the Isle of Portland in Dorset, England.
What is difference between OPC and?
Pozzolana materials namely fly ash, volcanic ash, are added to the OPC so that it becomes PPC. Pozzolana materials are added to the cement in the ratio of 15% to 35% by weight….The main differences in their characteristics and uses are –
| OPC | PPC |
|---|---|
| It is slightly costlier than PPC. | Cheaper than OPC. |
What are the two types of portland cement?
The standard types of portland cement are:
- Type I – for general purpose.
- Type IA – same as Type I, but when air entrainment is desired.
- Type II – for moderate sulfate resistance.
- Type IIA – same as Type II, but when air entrainment is desired.
- Type II(MH) – much like Type II, but when moderate heat of hydration is desired.
What is the grade of Ultratech PPC cement?
43 Grade
UltraTech Portland Cement, 50 Kg
| Type | PPC |
|---|---|
| Cement Grade | 43 Grade |
| Packaging Size | 50 kg |
| Packaging Type | HDPE Sack |
Why it is called portland cement?
When first made and used in the early 19th century in England, it was termed portland cement because its hydration product resembled a building stone from the Isle of Portland off the British coast. The first patent for portland cement was obtained in 1824 by Joseph Aspdin, an English mason.
Which cement is best for roof?
Use of OPC 53 grade and PPC ( Portland pozzolana cement) is the best cement for roof dhalai and for all type of RCC structure like footing,slab, beam and column.
What’s the difference between Portland cement and composite cement?
he difference between ordinary Portland cement and composite Portland cement are the ingredients used to make the cement. Composite Portland cement has Portland cement mixed with other materials.
What kind of cement is used in concrete?
Ordinary Portland Cement ( OPC) is the most common cement used in general concrete construction when there is no exposure to sulphates in the soil or groundwater. Portland cement is the most common type of cement in general use around the world, used as a basic ingredient of concrete, mortar, stucco, and most non-speciality grout.
What kind of silicates are in Portland cement?
Register now or log in to answer. In civil engineering Portland cement is a complex of umhydrated calcium and aluminium silicates produced by the roasting together of limestone and clay.
Which is the best type of Portland cement in India?
Ordinary Portland Cement (OPC-53, OPC-43, OPC-33). The 43 grade OPC is the most popular general-purpose cement in India. The OPC can be used for following applications: