1. 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

2. Water Transport The system was made up of:
A channel supported by low walls,
Underground piping, and
- Bridge aqueducts like the
Pont du Gard.

3. 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
Clip is ‘Pont du Gard’ – you will need to link it up.

4. 3RD LEVEL: There were three arches per lower level arch.
Construction and 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)

6. Problems and Solutions
Problem: Supporting and distributing the weight of the structure.
Solution:

7. Problems and Solutions
Problem: The bottom of the gorge (142m) was narrower than the top (275m).
Solution:

8. Problems and Solutions
Maintaining such a massive structure
Solution:

9. Problems and Solutions
Transporting the water across the aqueduct without leakage or erosion.
Solution:

10. Problems and Solutions
Problem: Erosion from the river.
Solution:

11. Problems and Solutions
Problem: Force of wind.
Solution:

12. Other Functions: The Pont du Gard also served propaganda functions:
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.