Despre apeductele de la Porolissum

About the aqueducts of Porolissum

Autor: Gică Băeştean

According to the information that we have at this moment, in the area known as the „Double wall”, there were three earth walls. Some of the archaeologists interpreted these structures as part of a defensive system from Porolissum. In the light of new archaeological excavations Mr. Al. V Matei tries to convince us that we are dealing with two ceramic pipes sustained by masonry substruction.

The idea of a wooden phase aqueduct is not impossible, but there are not many facts to support this hypothesis. A ceramic tubes aqueduct transported by a substruction may not be an usual solution. In many cases a substruction offered technical support for a masonry channel. The bases made in masonry, already destroyed by those who needed materials for construction are known just for 285 m, but they are missing for the rest of the distance. An important problem is the fact that we don’t know what happened in the area in front or behind of these structures in stone.

To pass through a valley the Romans used siphons, monumental structures like those from Aspendos or from Lyon, a solution that allows crossing between two heights situated on different levels. In Porolissum they are likely to have used this technical solution and some underground ceramic pipes for the rest of the distance.


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