Portland Stone vs Concrete made
with Portland Cement
We
all know that the name of “Portland Cement” was given
to hardened Cement on account of its
resemblance to the natural stone occurring at Portland
in England.
Portland quarry stone is shown
on the left & a cylinder of modern concrete on the right
in the
photograph on your right: (source: PCA)Hard
to distinguish!.. thats why the word "Portland
" got prefixed to "Cement" .
