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PONT DU GARD. Date : 20-16BC (Augustan) Dimensions : 50m high and 275m long. Gradient : 1:3000 Material : Local Limestone Location : The river Gardon, 21km from Nimes. Source : Uzes Destination : Nimes. Water Transport. The system was made up of: A channel supported by low walls,
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PONT DU GARD Date: 20-16BC (Augustan) Dimensions: 50m high and 275m long. Gradient: 1:3000 Material: Local Limestone Location: The river Gardon, 21km from Nimes. Source: Uzes Destination: Nimes
Water Transport • The system was made up of: • A channel supported by low walls, • Underground piping, and • - Bridge aqueducts like the • Pont du Gard.
General Features The aqueduct supplied _____ of water a day for each person in Nemausus The c________ (where water flowed) was in the top level. There are ___ arches in total. A road bridge was added in the_____ The vaults of the arches get ______ towards the bottom. Get the answers from this video clip
Constructionand Design Three levels of Arch 3RD LEVEL: There were three arches per lower level arch. 2ND LEVEL: Arches are parallel to those on the first level - same wooden frame could be used. 1ST LEVEL: Arches mostly the same width, apart from a wider central arch across the river. (equivalent to four arches on 3rd level)
Problems and Solutions Problem: Supporting and distributing the weight of the structure. Solution:
Problems and Solutions Problem: The bottom of the gorge (142m) was narrower than the top (275m). Solution:
Problems and Solutions Problem: Maintaining such a massive structure Solution:
Problems and Solutions Problem: Transporting the water across the aqueduct without leakage or erosion. Solution:
Problems and Solutions Problem: Erosion from the river. Solution:
Problems and Solutions Problem: Force of wind. Solution:
Other Functions: • The Pont du Gard also served propagandafunctions: • Encouraged the Southern Gauls to view Roman occupation positively. • Encouraged Roman settlement in Nimes. • The Romans technological genius impressed locals and discouraged rebellion • Such an architectural achievement also reflected well on its architect, Marcus Agrippa, and his father-in-law Augustus.