![]() ![]() Geologists have carefully scrutinized Davidovits's suggested technique and concluded his concrete came from natural limestone quarried in the Mokattam Formation. His method does not explain the granite stones, weighing well over 10 tons, above the King's Chamber, which he agrees were carved. He also claims that the Famine Stele, along with other hieroglyphic texts, describe the technology of stone agglomeration.ĭavidovits's method is not accepted by the academic mainstream. Proof-of-concept tests using similar compounds were carried out at a geopolymer institute in northern France and it was found that a crew of five to ten, working with simple hand tools, could agglomerate a structure of five, 1.3 to 4.5 ton blocks in a couple of weeks. New blocks, he suggests, could be cast in place, on top of and pressed against the old blocks. This wet "concrete" would be carried to the construction site where it would be packed into reusable wooden moulds and in a few days would undergo a chemical reaction similar to the curing of concrete. The pools were then left to evaporate, leaving behind a moist, clay-like mixture. Lime (found in the ash of cooking fires) and natron (also used by the Egyptians in mummification) were mixed in. The limestone was then dissolved in large, Nile-fed pools until it became a watery slurry. According to this hypothesis, soft limestone with a high kaolinite content was quarried in the wadi on the south of the Giza Plateau. He holds the Ordre National du Mérite.ĭavidovits believes that the blocks of the pyramid are not carved stone, but mostly a form of limestone concrete and that they were "cast" as with modern concrete. He posited that the blocks of the Great Pyramid are not carved stone but mostly a form of limestone concrete or man-made stone. Joseph Davidovits (born 23 March 1935) is a French materials scientist known for the invention of geopolymer chemistry. ( Learn how and when to remove this template message) ( February 2016) ( Learn how and when to remove this template message) It may require cleanup to comply with Wikipedia's content policies, particularly neutral point of view. A major contributor to this article appears to have a close connection with its subject.
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