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Egypt’s first pyramid was constructed using hydraulic lift

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A recent study, published in the journal ResearchGate, proposes that the Pyramid of Djoser could have been constructed using hydraulic lift.

The Pyramid of Djoser, also known as the Step Pyramid, is a proto-pyramid built as the final resting place of Djoser, the first or second pharaoh of Egypt’s 3rd Dynasty (2670–2650 BC) during the Old Kingdom period.

The pyramid rises from the Saqqara plateau in six steps to a height of around 60 to 62 metres, serving as the centre of a vast mortuary complex.

Due to the absence of authentic sources from the pyramid architects’ working sphere, there is currently no confirmed comprehensive model for the method used in the pyramid construction.

The prevailing theory suggests that the heavy stone blocks were transported on apparatuses such as rollers, and raised to height using a series of ramps.

In the study, a survey of watersheds near to the pyramid indicate that the Gisr el-Mudir (enclosure) has features of a check dam for trapping sediment and water. Furthermore, the topography beyond the “dam” shows a possible ephemeral lake west of the Djoser complex, and water flow inside the moat surrounding it.

The study authors explain: “In the southern section of the moat, we show that the monumental linear rock-cut structure consisting of successive, deep compartments, combines the technical requirements of a water treatment facility: a settling basin, a retention basin, and a purification system.”

Based on this finding, the study proposes that the Gisr el-Mudir and moat’s inner south section worked as a unified hydraulic system for regulating flow and improving water quality. In addition, the pyramid’s internal architecture is consistent with a hydraulic elevation mechanism never reported before.

“The ancient architects likely raised the stones from the pyramid centre in a volcano fashion using the sediment-free water from the Dry Moat’s south section. Ancient Egyptians are famous for their pioneering and mastery of hydraulics through canals for irrigation purposes and barges to transport huge stones. This work opens a new line of research: the use of hydraulic force to erect the massive structures built by Pharaohs,” said the study authors.

Please note: This study was submitted to PLOS ONE on December 7, 2023. After two rounds of review by peers, the paper was formally accepted by PLOS ONE on June 27, 2024. Since July 23, 2024, it has been the subject of new consultations and review by the PLOS ONE Editorial Board.

Header Image Credit : Shutterstock

Sources : ResearchGate | Piton, Guillaume. (2024). On the possible use of hydraulic force to assist with building the Step Pyramid of Saqqara. PLOS ONE.

This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily

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Archaeology

Archaeologists study submerged Nabataean temple

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In 2023, archaeologists discovered the submerged remains of a Nabataean temple during an underwater survey of the ancient port of Puteoli, located in modern-day Pozzuoli, Italy.

Puteoli was established in the mid-6th century BC as a Greek colony called Dicaearchia. After the Roman conquest of Campania following the First Samnite War, Dicaearchia was annexed into the Roman Republic, which later founded the colony of Puteoli.

Puteoli served as one of the primary trading hubs for Rome, emerging as the great emporium of foreign trade for the Alexandrian grain ships and goods from across the Roman world.

Due to the position of Puteoli in the Phlegraean Fields, an active volcanic region, volcanic bradyseismic activity has raised and lowered the geology on the peninsula, resulting in parts of Puteoli being submerged.

The results of a year-long study, published in the journal Antiquity, has mapped and reconstructed parts of the submerged temple, the only known temple located outside of Nabataea – an allied kingdom of Rome that controlled territory from the Euphrates to the Red Sea.

The Nabataean temple and the internal routes of the vicus Lartidianus (dotted lines) at the current stage of research – Image Credit : M. Silani

Using a photogrammetric survey, the researchers have identified that the temple had a rectangular plan and two rooms with access facing north, linked to the internal routes of the vicus Lartidianus (an area designated for foreign people engaged in trade).

Within one of the rooms (designated Room A) are two altars made of white Luni marble, and a mensa with eight rectangular recesses for housing aniconic betils. In the second room (designated Room B), the southern perimeter wall has a white marble slab covering, one of which shows the inscription Dusari sacrum, meaning “consecrated to Dushara”, the chief deity of the Nabataean pantheon.

According to the study authors: “The existence of a Nabataean sanctuary within the port area confirms that there was a community from that region participating in the commercial activities of Puteoli.”

“The integration of these individuals within the local community is evident in the building techniques and materials used in the construction of the temple, and for the choice of Latin for the inscriptions to their supreme god, the lord of the mountains and the germinating force of nature, Dushara.”

Header Image Credit : M.Steanile

Sources : Antiquity | https://doi.org/10.15184/aqy.2024.107

This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily

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Archaeology

Treasure hoard discovered in Viking farmstead

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Archaeologists from the Archaeological Museum at the University of Stavanger have discovered a Viking treasure hoard in the Hjelmeland municipality, Norway.

Excavations were in preparation for the construction of a new farm track to identify any archaeological remains in situ. The researchers discovered traces of a Viking farmstead, consisting of several structures for both the inhabitants and their animals.

Numerous domestic and agricultural objects have been unearthed, including soapstone pots, knife blades, rivets, and whetstones used for sharpening tools.

Mari Krogstad Samuelsen and Ola Tengesdal Lygre were excavating a dwelling used for housing slaves, when they identified what appeared to be twisted hedging wire at a depth of 20 centimetres.

Upon further inspection, the objects were revealed to be four heavy silver bracelets, each adorned with distinct decorative elements.

“This is definitely the biggest thing I have experienced in my career”, says archaeologist and project manager Volker Demuth from the Archaeological Museum at the University of Stavanger.

“This is a unique find, because we very rarely find such objects exactly where they were placed. As a rule, such valuable objects are discovered on fields that have been ploughed, where an object has been completely removed from its original context,” added Demuth.

According to the archaeologists, the hoard dates from around the 9th century AD and shares similarities to silver necklaces found in Hjelmeland in 1769. At that time, there were no silver mines operating in Norway, so all the silver used by the Vikings was sourced from abroad, obtained through trade, received as gifts, or taken as loot during their raiding expeditions.

Evidence of burning also indicates that the farmstead was destroyed by fire, likely during a time of conflict that required the necessity for the inhabitant’s valuables to be deposited in the ground for security.

Header Image Credit : Archaeological Museum at the University of Stavanger

Sources : Archaeological Museum at the University of Stavanger

This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily

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