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Scientists Reveal Secret Formula That Keeps Roman Buildings From Collapsing ?

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Scientists Reveal Secret Formula That Keeps Roman Buildings From Collapsing

The mystery behind the outstanding strength of the ancient Roman aqueducts and other concrete buildings that have survived several millennia has finally been resolved.

The explanation lies in the unusual "chemistry" of its two main components — volcanic ash and sea water, an article published in the American Mineralogist journal says.

"The Pozzolanic reaction of volcanic ash with hydrated lime is thought to have dominated the cementing fabric and durability of 2,000-year-old Roman harbor concrete," the study says.

Ancient Roman roads, aqueducts, the Pantheon, cathedrals and other constructions have survived several thousand years and are still in use.

Author of the publication Marie D. Jackson and her team found out that the main explanation of this phenomenon lies in a special type of concrete called "opus caementicium," which was used during the construction of many buildings of that time.

In contrast to the modern concrete, which is made up of cement and crushed stone, its Roman ancestor is noticeably stronger. It did not fall apart, but on the contrary only grew stronger after contact with water, a phenomenon that remained a mystery to scientists for a long time. However, Jackson and other scientists found an extremely unusual component inside the concrete, namely Tobermorite group minerals.

Continued [...]

http://sputniknews.com/art_living/201707041055221189-scientists-formula-roman-buildings/
 

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The Romans used BLOOD in their concrete from slaves and animals.

http://web.mit.edu/parmstr/Public/NRCan/CanBldgDigests/cbd165_e.html

Quote

The addition of small amounts of certain materials to concrete to promote desirable properties is as old as the use of cement itself. The Romans used blood, pig's fat and milk as additions to pozzolanic cements to improve their workability and durability. 

 

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