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In Europe the height of wall construction was reached under the Roman Empire, whose walls often reached 10 metres (33 ft) in height, the same as many Chinese city walls, but were only 1.5 to 2.5 metres (4 ft 11 in to 8 ft 2 in) thick. Rome's Servian Walls reached 3.6 and 4 metres (12 and 13 ft) in thickness and 6 to 10 metres (20 to 33 ft) in ...
Snežnik Castle protected by defensive wall in southern Slovenia. The height of walls varied widely by castle, but were often 2.5–6 m (8.2–19.7 ft) thick. They were usually topped with crenellation or parapets that offered protection to defenders.
The outermost walls with their integrated bastions and wall towers together make up the enceinte or main defensive line enclosing the site. In medieval designs of castle and town, the curtain walls were often built to a considerable height and were fronted by a ditch or moat to make assault difficult.
The wall's proximity to the sea and the strong currents of the Propontis meant that eastern and southern shores of the peninsula were comparatively safe from attack, but conversely, the walls had to be protected against the sea itself: a breakwater of boulders was placed in front of their base, and marble shafts were used as bonds in the walls ...
Section of the Servian Wall Section of the Roman walls of Lugo, Spain, 263–276 AD. Defensive walls are a feature of ancient Roman architecture.The Romans generally fortified cities, rather than building stand-alone fortresses, but there are some fortified camps, such as the Saxon Shore forts like Porchester Castle in England.
As castle technology evolved during the Middle Ages and Early Modern times, ramparts continued to form part of the defences, but now they tended to consist of thick walls with crenellated parapets. [3] Fieldworks, however, continued to make use of earth ramparts due to their relatively temporary nature.
During the same period Genoa and Pisa also invested in similarly built urban walls. The medieval walls were about 2.45 meters thick, erected with a sack technique: a core of stones and pieces of waste embedded in mortar, layered between an outer aspect with a layer of carefully squared stone blocks, and an inner aspect made of a cheaper layer ...
On Hadrian's Wall, a milecastle (there are a few exceptions) guarded a gateway through the Wall with a corresponding causeway across the Wall ditch to the north, and had a garrison of perhaps 20–30 auxiliary soldiers housed in two barrack blocks. On either side of the milecastle was a stone tower (turret), located about one-third of a Roman ...