April 30, 2024

Archaeologists find the secret ingredient of Maya lime plasters

” We lastly unveiled the trick of ancient Maya masons,” Carlos Rodríguez Navarro, a mineralogist at the University of Granada in Spain and the papers very first author, told PopSci. Navarro and his coworkers published their work in the journal Science Advances after dealing with the Mayan city of Copan, with clean structures.

Archaeologists examined samples of Maya plasters gathered from the Copan historical site in Honduras. Image credits: Wikimedia Commons.

Have you ever questioned why the outstanding structures of the Mayan civilization still stand today after over 1,000 years? This may be why. A group of researchers examined samples of Maya plasters from an archaeological complex in Honduras and discovered they added plant extracts to improve the plasters performance, guaranteeing it lasted longer.

The usage of lime plaster returns to in between 10,000 and 12,000 BC. It was initially made through the calcination of carbonate rocks to produce quicklime, which was then slacked to develop portlandite. It now seems the Maya established their own lime, producing plasters, mortars and stuccos with high resistance to disintegration.

Unlocking the secret component

Civilizations throughout the world discovered how to make plaster, which is mainly used to hold bricks together or to cover stone to offer it an enticing appearance. Previous studies showed not all ancient plaster was the very same– some were much more durable than others. Mayan plaster lasted much longer than plaster produced by the Aztecs.

The scientists then took it an action further and decided to make their own historical plaster. They talked with Mayan masons and descendants living in Copán, who recommended them to concentrate on 2 trees: the jiote and the chukum, both of which still grow in the location. More particularly, the researchers looked at the trees sap.

” Our research study assists to discuss the improvement in the efficiency of lime mortars and plasters with natural organic ingredients developed not only by ancient Maya masons however also by other ancient civilizations,” the scientists composed. “It leads the way for the design of unique biomimetic lime-based binders consisting of natural or artificial organics.”

Next, the scientists desire to check out whether other civilizations that depend on masonry have also used the exact same dish to make plaster. In ancient China, for example, individuals utilized sticky rice, a modern essential in Asian dishes, to produce plaster with more strength. This could one day result in more durable building and construction products.

The researchers then took it an action further and chose to make their own historic plaster. The researchers then took it a step further and chose to make their own historical plaster. Next, the scientists want to check out whether other civilizations that relied on masonry have likewise utilized the same dish to make plaster.

A team of researchers evaluated samples of Maya plasters from a historical complex in Honduras and discovered they included plant extracts to improve the plasters performance, guaranteeing it lasted longer.

They followed the usual formula to create plaster however also included sap into the mix. This strengthened the product and also made plaster insoluble in water, which might describe why the Maya structures have lasted so long. The microscopic structure of the plaster is comparable to calcite biominerals found in sea urchin spines and mollusc shells, they said.

The research study was published in the journal Science.

Mayan plaster lasted much longer than plaster produced by the Aztecs.

The researchers then took it an action further and chose to make their own historic plaster. They talked with Maya masons and descendants living in Copán, who recommended that they focus on two trees: the jiote and the chukum, both of which still grow in the area. More specifically, the researchers looked at the trees sap.