Directory
References
Discover
rudus
road construction
Learn about this topic in these articles:
Roman roads
- In road: The Roman roads
…inches in size, (2) the rudus, a 9-inch-thick layer of concrete made from stones under 2 inches in size, (3) the nucleus layer, about 12 inches thick, using concrete made from small gravel and coarse sand, and, for very important roads, (4) the summum dorsum, a wearing surface of large…
Read More