Question

For construction purposes ______________ cement is the most commonly used cement.

Answer 1

●Your Answer :- Ordinary Portland Cement (OPC)

Cement used in the construction purposes can be Hydraulic or Non-hydraulic too.


● Cement :- Cement is the binder which have a tendency to harden the material independently ,it occurs by the process of Calcination.



☆ Process of making☆ :-

When lime stone is heated in presence of clay with very high temperature (1500°C) it produce gypsum which further divided into small pieces then Intergrinding of clinker leads to produce Ordinary Portland Cements (3-5% gypsum).


● How it is used -: When water reacts with the cements. It joins together with the strong bonding and become harder.



☆Applications of cement☆ -

Many purposes in construction work

• Structural formation and used in concrete suspended columns.
• For making Beams
• Domestic poles foundations
• Bricks making.



Hope it Helps ☺

Answer 2

For construction purposes PORTLAND cement is the most commonly used cement.

Portland cement gets its name from the stone quarried on the Isle of Portland in Dorset, England.

Raw material used in making Portland cement are : lime 60% (calcium oxide), Silica 25%(Silicon dioxide), alumina 5% and rest is gypsum (calcium sulphate) and iron oxide.

Portland cement are of many types but the most common Portland cement is OPC(ordinary Portland cement). It is grey in colour. White Portland cement is also available.
Portland cement can cause chemical burns because it is caustic. It can also cause lung cancer, irritation etc.

HOPE THIS WILL HELP YOU...