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Guy Barnes
Asked a question 10 months ago

What kind of cement would you use for completing the project with less budget and without compromising on the quality?

What kind of cement would you use for completing the project with less budget and without compromising on the quality?

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Peter Smith
Heating and ventilation engineer

Cement is used as binding material and excellent material under compression. So there are different types of cement for different types of structures.

For commercial construction two types of cements are widely used as construction material as mentioned below

  1. Ordinary Portland cement or OPC
  2. Portland pozzolana cement or PPC

with comparisons of price OPC (ordinary portland cement)is costlier than PPC (Portland pozzolana cement)so for residential building PPC cement is better option as it is cheap as compared to OPC.

Final suggestion

OPC gets the strength earlier than PPC. But PPC can attain that same strength after proper curing time .its curing time is more than OPC. So PPC can be a good alternative if proper care of curing is taken. IS(INDIAN STANDARD) recommends both OPC and PPC suitable for construction purposes.

(FYI : PPC is environment friendly as it consists fly ash in some specific percentages by parts, which is a waste product of burnt coal, usually collected from thermal power plants)

OPC (m53) attains strength in a shorter time, while PPC (m43) takes longer.
OPC therefore dries more quickly, but produces more heat during chemical reaction during which it gains strength, as compared to PPC
Faster is the drying process, more is the risk of cracking of cement, and therefore it need more care and more amount of water for curing in a lesser time.
PPC on the other hand can attain strength equal to OPC, but takes a longer time.

For a building slab, PPC is more widely used since it requires less care.
The strength depends on design mix (the water cement and aggregate ratio) more than type of cement.

so essentially, If you need construction to take place faster and have means for good curing, you may use OPC.
But if you need better quality and strength in less effort, use PPC.

It still depends on the structure’s design requirements and a structural designer’s advice is to be followed.

Hope this helps, but do consult an engineer before using any type of cement.
Building construction is a responsible job and needs to be done safely and one must adhere to engineer’s specifications.