Ordinary Portland Cement (OPC)
- Ordinary Portland Cement (OPC) is one of the most widely used types of Portland cement.
- The name Portland Cement was named by Joseph Aspdin in 1824 due to its similarity in color and its quality when it hardens like Portland stone.
- Portland Cement is a fine powder that when mixed with water becomes the binding material that holds aggregates together in concrete.
- This cement is composed of white-grey limestone found in the island of Portland, Dorset
- Portland Cement is caustic in nature, so it can cause chemical burns.
Composition Of Ordinary Portland Cement
Uses of Ordinary Portland Cement (OPC)
- OPC is generally used for the reinforced concrete buildings, bridges, pavements, and where soil condition are normal
- This type of cement is used for general construction purposes where special properties are not required.
- This cement has great resistance to cracking and shrinkage but less resistance to chemical attacks.
- This cement is also used for most of the concrete masonry units.
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