'Mass concrete works' presentation slideshows

Which cement is better PPC or PSC

The Portland Pozzolana Cement (PPC) is a kind of blended cement which is produced by either inter grinding of OPC clinker along with gypsum and pozzolanic materials in certain proportions. PPC is widely used in mass concrete works such as dams, spillways, retaining walls, all types of reinforced cement concrete (u201cRCCu201d) work, underground structures, bridges, general building works and hydro-power stations.

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