every part of the arch is under compression. For this reason, arch bridges must be made of materials that are strong under compression. The Romans used stones. One of the most famous examples of ...

Bradfield, and the discussion will be held on April 10.The bridge ... with tension and compression specimens up to 50 ft. long and bend test specimens 20 ft. long. Tests of the arch after ...

every part of the arch is under compression. For this reason, arch bridges must be made of materials that are strong under compression. The Pont du Gard aqueduct The Romans used stones.