Daily Archives: April 16, 2012

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Concrete can do just about anything…and looks stunning too! Who would have thought?

Originally posted on The Walkup:

Concrete is a composite construction material composed primarily of aggregate, cement and water. Technically speaking, concrete is a heterogenous mixture that has several variations – it’s recipe can include sand, ash, pumice, silica, quicklime, pozzolanic ash, crushed limestone, and crushed granite (to name a few). The chemical process in which concrete solidifies and dries is actually (and ironically) called hydration. The substance and invention actually date from the Roman Empire – indeed the word comes from the Latin word “concretus” (meaning compact or condensed).  Apparently though, after the fall of the Roman Empire this technology became extremely scarce and all but forgotten until the 18th century – that’s thousands of years people!  HOW does something like that happen? The romans used the substance to shape domes, aqueducts, and archways. Several concrete bathhouses still stand from the era. That seems pretty advanced for the time period – and yet POOF! The discovery just disappears.

Via Knight Frank

In the…

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