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Obsolete cannons were often used as wheel guards in the Netherlands, such as for the Catherine's gate in Dordrecht. A guard stone, jostle stone or chasse-roue (French lit. "wheel chaser"), is a projecting metal, concrete, or stone exterior architectural element located at the corner and/or foot of gates, portes-cochères, garage entries, and walls to prevent damage from vehicle tires and wheels.
Some are structural, providing strength for a wall made with inferior stone or rubble, [2] while others merely add aesthetic detail to a corner. [3] According to one 19th-century encyclopedia, these imply strength, permanence, and expense, all reinforcing the onlooker's sense of a structure's presence.
The Greeks called the construction technique emplekton [4] [5] and made particular use of it in the construction of the defensive walls of their poleis. The Romans made extensive use of rubble masonry, calling it opus caementicium , because caementicium was the name given to the filling between the two revetments .
In earlier days, birch bark was occasionally used as a flashing material. [7] Most flashing materials today are metal, plastic, rubber, or impregnated paper. [8]Metal flashing materials include lead, aluminium, copper, [1] stainless steel, zinc alloy, other architectural metals or a metal with a coating such as galvanized steel, lead-coated copper, anodized aluminium, terne-coated copper ...
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 ...
Although there are many types of anchors or anchorages, according to the Dictionary of Architecture and Construction, an anchor plate specifically is a "wrought-iron clamp, of Flemish origin, on the exterior side of a brick building wall that is connected to the opposite wall by a steel tie-rod to prevent the two walls from spreading apart ...
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